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Finding the Fourth Proportional to 289,002.30, 433,503.45 and 164,586.30

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Solution

The fourth proportional to 289,002.30, 433,503.45 and 164,586.30 is: 246,879.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,002.30 : 433,503.45 = 164,586.30 : x
  2. Step 2: Convert to fraction form
    289,002.30/433,503.45 = 164,586.30/x
  3. Step 3: Cross multiply
    289,002.30x = 433,503.45 × 164,586.30
  4. Step 4: Simplify right side
    289,002.30x = 71,348,728,872.74
  5. Step 5: Solve for x
    x = 71,348,728,872.74/289,002.30
  6. Step 6: Final answer
    x = 246,879.45

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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.