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Finding the Fourth Proportional to 282,688.26, 424,028.86 and 83,001.44

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Solution

The fourth proportional to 282,688.26, 424,028.86 and 83,001.44 is: 124,501.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,688.26 : 424,028.86 = 83,001.44 : x
  2. Step 2: Convert to fraction form
    282,688.26/424,028.86 = 83,001.44/x
  3. Step 3: Cross multiply
    282,688.26x = 424,028.86 × 83,001.44
  4. Step 4: Simplify right side
    282,688.26x = 35,195,005,981.56
  5. Step 5: Solve for x
    x = 35,195,005,981.56/282,688.26
  6. Step 6: Final answer
    x = 124,501.12

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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.