Home / 254,433.10-382,026.30-142,337.20

Finding the Fourth Proportional to 254,433.10, 382,026.30 and 142,337.20

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Solution

The fourth proportional to 254,433.10, 382,026.30 and 142,337.20 is: 213,716.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,433.10 : 382,026.30 = 142,337.20 : x
  2. Step 2: Convert to fraction form
    254,433.10/382,026.30 = 142,337.20/x
  3. Step 3: Cross multiply
    254,433.10x = 382,026.30 × 142,337.20
  4. Step 4: Simplify right side
    254,433.10x = 54,376,553,868.36
  5. Step 5: Solve for x
    x = 54,376,553,868.36/254,433.10
  6. Step 6: Final answer
    x = 213,716.51

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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.