Home / 384,738.15-577,052.55-132,030.30

Finding the Fourth Proportional to 384,738.15, 577,052.55 and 132,030.30

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Solution

The fourth proportional to 384,738.15, 577,052.55 and 132,030.30 is: 198,026.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,738.15 : 577,052.55 = 132,030.30 : x
  2. Step 2: Convert to fraction form
    384,738.15/577,052.55 = 132,030.30/x
  3. Step 3: Cross multiply
    384,738.15x = 577,052.55 × 132,030.30
  4. Step 4: Simplify right side
    384,738.15x = 76,188,421,292.27
  5. Step 5: Solve for x
    x = 76,188,421,292.27/384,738.15
  6. Step 6: Final answer
    x = 198,026.69

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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.