Home / 247,592.47-371,442.01-76,810.72

Finding the Fourth Proportional to 247,592.47, 371,442.01 and 76,810.72

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Solution

The fourth proportional to 247,592.47, 371,442.01 and 76,810.72 is: 115,232.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,592.47 : 371,442.01 = 76,810.72 : x
  2. Step 2: Convert to fraction form
    247,592.47/371,442.01 = 76,810.72/x
  3. Step 3: Cross multiply
    247,592.47x = 371,442.01 × 76,810.72
  4. Step 4: Simplify right side
    247,592.47x = 28,530,728,226.35
  5. Step 5: Solve for x
    x = 28,530,728,226.35/247,592.47
  6. Step 6: Final answer
    x = 115,232.62

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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.