Home / 372,811.50-558,875.52-145,260.63

Finding the Fourth Proportional to 372,811.50, 558,875.52 and 145,260.63

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Solution

The fourth proportional to 372,811.50, 558,875.52 and 145,260.63 is: 217,757.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,811.50 : 558,875.52 = 145,260.63 : x
  2. Step 2: Convert to fraction form
    372,811.50/558,875.52 = 145,260.63/x
  3. Step 3: Cross multiply
    372,811.50x = 558,875.52 × 145,260.63
  4. Step 4: Simplify right side
    372,811.50x = 81,182,610,126.78
  5. Step 5: Solve for x
    x = 81,182,610,126.78/372,811.50
  6. Step 6: Final answer
    x = 217,757.79

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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.