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Finding the Fourth Proportional to 387,284.76, 581,025.70 and 227,495.82

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Solution

The fourth proportional to 387,284.76, 581,025.70 and 227,495.82 is: 341,301.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,284.76 : 581,025.70 = 227,495.82 : x
  2. Step 2: Convert to fraction form
    387,284.76/581,025.70 = 227,495.82/x
  3. Step 3: Cross multiply
    387,284.76x = 581,025.70 × 227,495.82
  4. Step 4: Simplify right side
    387,284.76x = 132,180,918,062.57
  5. Step 5: Solve for x
    x = 132,180,918,062.57/387,284.76
  6. Step 6: Final answer
    x = 341,301.63

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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.