Home / 442,029.40-662,944.38-142,452.52

Finding the Fourth Proportional to 442,029.40, 662,944.38 and 142,452.52

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Solution

The fourth proportional to 442,029.40, 662,944.38 and 142,452.52 is: 213,646.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,029.40 : 662,944.38 = 142,452.52 : x
  2. Step 2: Convert to fraction form
    442,029.40/662,944.38 = 142,452.52/x
  3. Step 3: Cross multiply
    442,029.40x = 662,944.38 × 142,452.52
  4. Step 4: Simplify right side
    442,029.40x = 94,438,097,550.84
  5. Step 5: Solve for x
    x = 94,438,097,550.84/442,029.40
  6. Step 6: Final answer
    x = 213,646.64

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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.