Home / 264,534.10-396,720.15-87,000.10

Finding the Fourth Proportional to 264,534.10, 396,720.15 and 87,000.10

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Solution

The fourth proportional to 264,534.10, 396,720.15 and 87,000.10 is: 130,473.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,534.10 : 396,720.15 = 87,000.10 : x
  2. Step 2: Convert to fraction form
    264,534.10/396,720.15 = 87,000.10/x
  3. Step 3: Cross multiply
    264,534.10x = 396,720.15 × 87,000.10
  4. Step 4: Simplify right side
    264,534.10x = 34,514,692,722.02
  5. Step 5: Solve for x
    x = 34,514,692,722.02/264,534.10
  6. Step 6: Final answer
    x = 130,473.51

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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.