Home / 254,650.10-382,147.95-165,686.90

Finding the Fourth Proportional to 254,650.10, 382,147.95 and 165,686.90

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Solution

The fourth proportional to 254,650.10, 382,147.95 and 165,686.90 is: 248,642.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,650.10 : 382,147.95 = 165,686.90 : x
  2. Step 2: Convert to fraction form
    254,650.10/382,147.95 = 165,686.90/x
  3. Step 3: Cross multiply
    254,650.10x = 382,147.95 × 165,686.90
  4. Step 4: Simplify right side
    254,650.10x = 63,316,909,176.86
  5. Step 5: Solve for x
    x = 63,316,909,176.86/254,650.10
  6. Step 6: Final answer
    x = 248,642.78

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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.