Home / 515,305.12-772,595.50-226,979.92

Finding the Fourth Proportional to 515,305.12, 772,595.50 and 226,979.92

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Solution

The fourth proportional to 515,305.12, 772,595.50 and 226,979.92 is: 340,310.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,305.12 : 772,595.50 = 226,979.92 : x
  2. Step 2: Convert to fraction form
    515,305.12/772,595.50 = 226,979.92/x
  3. Step 3: Cross multiply
    515,305.12x = 772,595.50 × 226,979.92
  4. Step 4: Simplify right side
    515,305.12x = 175,363,663,647.46
  5. Step 5: Solve for x
    x = 175,363,663,647.46/515,305.12
  6. Step 6: Final answer
    x = 340,310.35

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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.