Home / 441,635.29-662,452.83-142,139.21

Finding the Fourth Proportional to 441,635.29, 662,452.83 and 142,139.21

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Solution

The fourth proportional to 441,635.29, 662,452.83 and 142,139.21 is: 213,208.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,635.29 : 662,452.83 = 142,139.21 : x
  2. Step 2: Convert to fraction form
    441,635.29/662,452.83 = 142,139.21/x
  3. Step 3: Cross multiply
    441,635.29x = 662,452.83 × 142,139.21
  4. Step 4: Simplify right side
    441,635.29x = 94,160,518,606.20
  5. Step 5: Solve for x
    x = 94,160,518,606.20/441,635.29
  6. Step 6: Final answer
    x = 213,208.77

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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.