Home / 305,319.43-457,980.31-127,701.83

Finding the Fourth Proportional to 305,319.43, 457,980.31 and 127,701.83

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Solution

The fourth proportional to 305,319.43, 457,980.31 and 127,701.83 is: 191,553.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,319.43 : 457,980.31 = 127,701.83 : x
  2. Step 2: Convert to fraction form
    305,319.43/457,980.31 = 127,701.83/x
  3. Step 3: Cross multiply
    305,319.43x = 457,980.31 × 127,701.83
  4. Step 4: Simplify right side
    305,319.43x = 58,484,924,995.55
  5. Step 5: Solve for x
    x = 58,484,924,995.55/305,319.43
  6. Step 6: Final answer
    x = 191,553.24

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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.