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Finding the Fourth Proportional to 490,586.03, 735,879.05 and 153,653.05

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Solution

The fourth proportional to 490,586.03, 735,879.05 and 153,653.05 is: 230,479.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,586.03 : 735,879.05 = 153,653.05 : x
  2. Step 2: Convert to fraction form
    490,586.03/735,879.05 = 153,653.05/x
  3. Step 3: Cross multiply
    490,586.03x = 735,879.05 × 153,653.05
  4. Step 4: Simplify right side
    490,586.03x = 113,070,061,623.53
  5. Step 5: Solve for x
    x = 113,070,061,623.53/490,586.03
  6. Step 6: Final answer
    x = 230,479.58

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.