Home / 254,429.10-382,020.30-142,333.20

Finding the Fourth Proportional to 254,429.10, 382,020.30 and 142,333.20

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Solution

The fourth proportional to 254,429.10, 382,020.30 and 142,333.20 is: 213,710.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,429.10 : 382,020.30 = 142,333.20 : x
  2. Step 2: Convert to fraction form
    254,429.10/382,020.30 = 142,333.20/x
  3. Step 3: Cross multiply
    254,429.10x = 382,020.30 × 142,333.20
  4. Step 4: Simplify right side
    254,429.10x = 54,374,171,763.96
  5. Step 5: Solve for x
    x = 54,374,171,763.96/254,429.10
  6. Step 6: Final answer
    x = 213,710.51

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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.