Home / 485,005.07-727,190.71-232,277.32

Finding the Fourth Proportional to 485,005.07, 727,190.71 and 232,277.32

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Solution

The fourth proportional to 485,005.07, 727,190.71 and 232,277.32 is: 348,264.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,005.07 : 727,190.71 = 232,277.32 : x
  2. Step 2: Convert to fraction form
    485,005.07/727,190.71 = 232,277.32/x
  3. Step 3: Cross multiply
    485,005.07x = 727,190.71 × 232,277.32
  4. Step 4: Simplify right side
    485,005.07x = 168,909,910,882.55
  5. Step 5: Solve for x
    x = 168,909,910,882.55/485,005.07
  6. Step 6: Final answer
    x = 348,264.22

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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.