Home / 261,603.24-361,000.12-145,324.20

Finding the Fourth Proportional to 261,603.24, 361,000.12 and 145,324.20

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Solution

The fourth proportional to 261,603.24, 361,000.12 and 145,324.20 is: 200,540.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,603.24 : 361,000.12 = 145,324.20 : x
  2. Step 2: Convert to fraction form
    261,603.24/361,000.12 = 145,324.20/x
  3. Step 3: Cross multiply
    261,603.24x = 361,000.12 × 145,324.20
  4. Step 4: Simplify right side
    261,603.24x = 52,462,053,638.90
  5. Step 5: Solve for x
    x = 52,462,053,638.90/261,603.24
  6. Step 6: Final answer
    x = 200,540.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.