Home / 389,134.52-581,923.02-282,875.48

Finding the Fourth Proportional to 389,134.52, 581,923.02 and 282,875.48

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Solution

The fourth proportional to 389,134.52, 581,923.02 and 282,875.48 is: 423,020.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,134.52 : 581,923.02 = 282,875.48 : x
  2. Step 2: Convert to fraction form
    389,134.52/581,923.02 = 282,875.48/x
  3. Step 3: Cross multiply
    389,134.52x = 581,923.02 × 282,875.48
  4. Step 4: Simplify right side
    389,134.52x = 164,611,753,605.55
  5. Step 5: Solve for x
    x = 164,611,753,605.55/389,134.52
  6. Step 6: Final answer
    x = 423,020.18

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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.