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Finding the Fourth Proportional to 282,689.52, 424,096.81 and 93,142.23

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Solution

The fourth proportional to 282,689.52, 424,096.81 and 93,142.23 is: 139,733.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,689.52 : 424,096.81 = 93,142.23 : x
  2. Step 2: Convert to fraction form
    282,689.52/424,096.81 = 93,142.23/x
  3. Step 3: Cross multiply
    282,689.52x = 424,096.81 × 93,142.23
  4. Step 4: Simplify right side
    282,689.52x = 39,501,320,796.07
  5. Step 5: Solve for x
    x = 39,501,320,796.07/282,689.52
  6. Step 6: Final answer
    x = 139,733.94

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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.