Home / 384,730.15-577,040.55-132,022.30

Finding the Fourth Proportional to 384,730.15, 577,040.55 and 132,022.30

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Solution

The fourth proportional to 384,730.15, 577,040.55 and 132,022.30 is: 198,014.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,730.15 : 577,040.55 = 132,022.30 : x
  2. Step 2: Convert to fraction form
    384,730.15/577,040.55 = 132,022.30/x
  3. Step 3: Cross multiply
    384,730.15x = 577,040.55 × 132,022.30
  4. Step 4: Simplify right side
    384,730.15x = 76,182,220,604.27
  5. Step 5: Solve for x
    x = 76,182,220,604.27/384,730.15
  6. Step 6: Final answer
    x = 198,014.69

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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.