Home / 457,265.22-631,064.78-253,380.10

Finding the Fourth Proportional to 457,265.22, 631,064.78 and 253,380.10

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Solution

The fourth proportional to 457,265.22, 631,064.78 and 253,380.10 is: 349,686.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,265.22 : 631,064.78 = 253,380.10 : x
  2. Step 2: Convert to fraction form
    457,265.22/631,064.78 = 253,380.10/x
  3. Step 3: Cross multiply
    457,265.22x = 631,064.78 × 253,380.10
  4. Step 4: Simplify right side
    457,265.22x = 159,899,257,062.88
  5. Step 5: Solve for x
    x = 159,899,257,062.88/457,265.22
  6. Step 6: Final answer
    x = 349,686.02

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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.