Home / 441,660.31-662,490.69-142,140.85

Finding the Fourth Proportional to 441,660.31, 662,490.69 and 142,140.85

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Solution

The fourth proportional to 441,660.31, 662,490.69 and 142,140.85 is: 213,211.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,660.31 : 662,490.69 = 142,140.85 : x
  2. Step 2: Convert to fraction form
    441,660.31/662,490.69 = 142,140.85/x
  3. Step 3: Cross multiply
    441,660.31x = 662,490.69 × 142,140.85
  4. Step 4: Simplify right side
    441,660.31x = 94,166,989,793.69
  5. Step 5: Solve for x
    x = 94,166,989,793.69/441,660.31
  6. Step 6: Final answer
    x = 213,211.35

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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.