Home / 275,431.04-413,165.36-88,431.20

Finding the Fourth Proportional to 275,431.04, 413,165.36 and 88,431.20

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Solution

The fourth proportional to 275,431.04, 413,165.36 and 88,431.20 is: 132,652.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,431.04 : 413,165.36 = 88,431.20 : x
  2. Step 2: Convert to fraction form
    275,431.04/413,165.36 = 88,431.20/x
  3. Step 3: Cross multiply
    275,431.04x = 413,165.36 × 88,431.20
  4. Step 4: Simplify right side
    275,431.04x = 36,536,708,583.23
  5. Step 5: Solve for x
    x = 36,536,708,583.23/275,431.04
  6. Step 6: Final answer
    x = 132,652.84

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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.