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Finding the Fourth Proportional to 636,240.32, 954,288.36 and 162,929.12

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Solution

The fourth proportional to 636,240.32, 954,288.36 and 162,929.12 is: 244,375.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,240.32 : 954,288.36 = 162,929.12 : x
  2. Step 2: Convert to fraction form
    636,240.32/954,288.36 = 162,929.12/x
  3. Step 3: Cross multiply
    636,240.32x = 954,288.36 × 162,929.12
  4. Step 4: Simplify right side
    636,240.32x = 155,481,362,721.04
  5. Step 5: Solve for x
    x = 155,481,362,721.04/636,240.32
  6. Step 6: Final answer
    x = 244,375.21

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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.