Home / 479,951.46-719,848.40-160,105.79

Finding the Fourth Proportional to 479,951.46, 719,848.40 and 160,105.79

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Solution

The fourth proportional to 479,951.46, 719,848.40 and 160,105.79 is: 240,132.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,951.46 : 719,848.40 = 160,105.79 : x
  2. Step 2: Convert to fraction form
    479,951.46/719,848.40 = 160,105.79/x
  3. Step 3: Cross multiply
    479,951.46x = 719,848.40 × 160,105.79
  4. Step 4: Simplify right side
    479,951.46x = 115,251,892,362.47
  5. Step 5: Solve for x
    x = 115,251,892,362.47/479,951.46
  6. Step 6: Final answer
    x = 240,132.39

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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.