Home / 268,131.20-370,024.10-147,275.31

Finding the Fourth Proportional to 268,131.20, 370,024.10 and 147,275.31

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Solution

The fourth proportional to 268,131.20, 370,024.10 and 147,275.31 is: 203,241.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,131.20 : 370,024.10 = 147,275.31 : x
  2. Step 2: Convert to fraction form
    268,131.20/370,024.10 = 147,275.31/x
  3. Step 3: Cross multiply
    268,131.20x = 370,024.10 × 147,275.31
  4. Step 4: Simplify right side
    268,131.20x = 54,495,413,298.59
  5. Step 5: Solve for x
    x = 54,495,413,298.59/268,131.20
  6. Step 6: Final answer
    x = 203,241.60

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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.