Home / 479,675.22-719,387.47-142,625.13

Finding the Fourth Proportional to 479,675.22, 719,387.47 and 142,625.13

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Solution

The fourth proportional to 479,675.22, 719,387.47 and 142,625.13 is: 213,900.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,675.22 : 719,387.47 = 142,625.13 : x
  2. Step 2: Convert to fraction form
    479,675.22/719,387.47 = 142,625.13/x
  3. Step 3: Cross multiply
    479,675.22x = 719,387.47 × 142,625.13
  4. Step 4: Simplify right side
    479,675.22x = 102,602,731,429.12
  5. Step 5: Solve for x
    x = 102,602,731,429.12/479,675.22
  6. Step 6: Final answer
    x = 213,900.42

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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.