Home / 311,577.90-467,342.55-122,001.45

Finding the Fourth Proportional to 311,577.90, 467,342.55 and 122,001.45

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Solution

The fourth proportional to 311,577.90, 467,342.55 and 122,001.45 is: 182,992.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,577.90 : 467,342.55 = 122,001.45 : x
  2. Step 2: Convert to fraction form
    311,577.90/467,342.55 = 122,001.45/x
  3. Step 3: Cross multiply
    311,577.90x = 467,342.55 × 122,001.45
  4. Step 4: Simplify right side
    311,577.90x = 57,016,468,746.70
  5. Step 5: Solve for x
    x = 57,016,468,746.70/311,577.90
  6. Step 6: Final answer
    x = 182,992.66

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1.5x scale

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.