Home / 282,683.28-424,022.76-72,320.88

Finding the Fourth Proportional to 282,683.28, 424,022.76 and 72,320.88

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Solution

The fourth proportional to 282,683.28, 424,022.76 and 72,320.88 is: 108,480.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,683.28 : 424,022.76 = 72,320.88 : x
  2. Step 2: Convert to fraction form
    282,683.28/424,022.76 = 72,320.88/x
  3. Step 3: Cross multiply
    282,683.28x = 424,022.76 × 72,320.88
  4. Step 4: Simplify right side
    282,683.28x = 30,665,699,143.23
  5. Step 5: Solve for x
    x = 30,665,699,143.23/282,683.28
  6. Step 6: Final answer
    x = 108,480.77

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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.