Home / 387,285.75-581,027.19-227,496.81

Finding the Fourth Proportional to 387,285.75, 581,027.19 and 227,496.81

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Solution

The fourth proportional to 387,285.75, 581,027.19 and 227,496.81 is: 341,303.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,285.75 : 581,027.19 = 227,496.81 : x
  2. Step 2: Convert to fraction form
    387,285.75/581,027.19 = 227,496.81/x
  3. Step 3: Cross multiply
    387,285.75x = 581,027.19 × 227,496.81
  4. Step 4: Simplify right side
    387,285.75x = 132,181,832,248.26
  5. Step 5: Solve for x
    x = 132,181,832,248.26/387,285.75
  6. Step 6: Final answer
    x = 341,303.11

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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.