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Finding the Fourth Proportional to 618,772.55, 928,159.57 and 169,497.29

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Solution

The fourth proportional to 618,772.55, 928,159.57 and 169,497.29 is: 254,246.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,772.55 : 928,159.57 = 169,497.29 : x
  2. Step 2: Convert to fraction form
    618,772.55/928,159.57 = 169,497.29/x
  3. Step 3: Cross multiply
    618,772.55x = 928,159.57 × 169,497.29
  4. Step 4: Simplify right side
    618,772.55x = 157,320,533,699.22
  5. Step 5: Solve for x
    x = 157,320,533,699.22/618,772.55
  6. Step 6: Final answer
    x = 254,246.14

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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.