Home / 479,266.11-719,048.34-142,308.52

Finding the Fourth Proportional to 479,266.11, 719,048.34 and 142,308.52

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Solution

The fourth proportional to 479,266.11, 719,048.34 and 142,308.52 is: 213,507.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,266.11 : 719,048.34 = 142,308.52 : x
  2. Step 2: Convert to fraction form
    479,266.11/719,048.34 = 142,308.52/x
  3. Step 3: Cross multiply
    479,266.11x = 719,048.34 × 142,308.52
  4. Step 4: Simplify right side
    479,266.11x = 102,326,705,073.86
  5. Step 5: Solve for x
    x = 102,326,705,073.86/479,266.11
  6. Step 6: Final answer
    x = 213,507.07

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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.