Home / 442,028.90-662,943.63-142,452.02

Finding the Fourth Proportional to 442,028.90, 662,943.63 and 142,452.02

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Solution

The fourth proportional to 442,028.90, 662,943.63 and 142,452.02 is: 213,645.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,028.90 : 662,943.63 = 142,452.02 : x
  2. Step 2: Convert to fraction form
    442,028.90/662,943.63 = 142,452.02/x
  3. Step 3: Cross multiply
    442,028.90x = 662,943.63 × 142,452.02
  4. Step 4: Simplify right side
    442,028.90x = 94,437,659,239.63
  5. Step 5: Solve for x
    x = 94,437,659,239.63/442,028.90
  6. Step 6: Final answer
    x = 213,645.89

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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.