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Finding the Fourth Proportional to 615,196.10, 922,794.15 and 282,772.10

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Solution

The fourth proportional to 615,196.10, 922,794.15 and 282,772.10 is: 424,158.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,196.10 : 922,794.15 = 282,772.10 : x
  2. Step 2: Convert to fraction form
    615,196.10/922,794.15 = 282,772.10/x
  3. Step 3: Cross multiply
    615,196.10x = 922,794.15 × 282,772.10
  4. Step 4: Simplify right side
    615,196.10x = 260,940,439,663.22
  5. Step 5: Solve for x
    x = 260,940,439,663.22/615,196.10
  6. Step 6: Final answer
    x = 424,158.15

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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.