Home / 314,988.76-434,691.66-179,001.28

Finding the Fourth Proportional to 314,988.76, 434,691.66 and 179,001.28

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Solution

The fourth proportional to 314,988.76, 434,691.66 and 179,001.28 is: 247,025.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,988.76 : 434,691.66 = 179,001.28 : x
  2. Step 2: Convert to fraction form
    314,988.76/434,691.66 = 179,001.28/x
  3. Step 3: Cross multiply
    314,988.76x = 434,691.66 × 179,001.28
  4. Step 4: Simplify right side
    314,988.76x = 77,810,363,545.32
  5. Step 5: Solve for x
    x = 77,810,363,545.32/314,988.76
  6. Step 6: Final answer
    x = 247,025.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.