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Finding the Fourth Proportional to 518,138.52, 777,235.52 and 163,180.18

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Solution

The fourth proportional to 518,138.52, 777,235.52 and 163,180.18 is: 244,779.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,138.52 : 777,235.52 = 163,180.18 : x
  2. Step 2: Convert to fraction form
    518,138.52/777,235.52 = 163,180.18/x
  3. Step 3: Cross multiply
    518,138.52x = 777,235.52 × 163,180.18
  4. Step 4: Simplify right side
    518,138.52x = 126,829,431,240.09
  5. Step 5: Solve for x
    x = 126,829,431,240.09/518,138.52
  6. Step 6: Final answer
    x = 244,779.00

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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.