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Finding the Fourth Proportional to 282,710.70, 424,066.05 and 95,722.20

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Solution

The fourth proportional to 282,710.70, 424,066.05 and 95,722.20 is: 143,583.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,710.70 : 424,066.05 = 95,722.20 : x
  2. Step 2: Convert to fraction form
    282,710.70/424,066.05 = 95,722.20/x
  3. Step 3: Cross multiply
    282,710.70x = 424,066.05 × 95,722.20
  4. Step 4: Simplify right side
    282,710.70x = 40,592,535,251.31
  5. Step 5: Solve for x
    x = 40,592,535,251.31/282,710.70
  6. Step 6: Final answer
    x = 143,583.30

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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.