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Finding the Fourth Proportional to 282,752.81, 424,267.57 and 133,008.21

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Solution

The fourth proportional to 282,752.81, 424,267.57 and 133,008.21 is: 199,577.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,752.81 : 424,267.57 = 133,008.21 : x
  2. Step 2: Convert to fraction form
    282,752.81/424,267.57 = 133,008.21/x
  3. Step 3: Cross multiply
    282,752.81x = 424,267.57 × 133,008.21
  4. Step 4: Simplify right side
    282,752.81x = 56,431,070,046.75
  5. Step 5: Solve for x
    x = 56,431,070,046.75/282,752.81
  6. Step 6: Final answer
    x = 199,577.40

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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.