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Finding the Fourth Proportional to 490,012.93, 735,112.21 and 170,152.30

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Solution

The fourth proportional to 490,012.93, 735,112.21 and 170,152.30 is: 255,260.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,012.93 : 735,112.21 = 170,152.30 : x
  2. Step 2: Convert to fraction form
    490,012.93/735,112.21 = 170,152.30/x
  3. Step 3: Cross multiply
    490,012.93x = 735,112.21 × 170,152.30
  4. Step 4: Simplify right side
    490,012.93x = 125,081,033,289.58
  5. Step 5: Solve for x
    x = 125,081,033,289.58/490,012.93
  6. Step 6: Final answer
    x = 255,260.68

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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.