Home / 387,290.27-581,033.96-227,501.31

Finding the Fourth Proportional to 387,290.27, 581,033.96 and 227,501.31

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Solution

The fourth proportional to 387,290.27, 581,033.96 and 227,501.31 is: 341,309.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,290.27 : 581,033.96 = 227,501.31 : x
  2. Step 2: Convert to fraction form
    387,290.27/581,033.96 = 227,501.31/x
  3. Step 3: Cross multiply
    387,290.27x = 581,033.96 × 227,501.31
  4. Step 4: Simplify right side
    387,290.27x = 132,185,985,916.98
  5. Step 5: Solve for x
    x = 132,185,985,916.98/387,290.27
  6. Step 6: Final answer
    x = 341,309.86

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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.