Home / 711,416.49-1,067,046.12-178,937.73

Finding the Fourth Proportional to 711,416.49, 1,067,046.12 and 178,937.73

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Solution

The fourth proportional to 711,416.49, 1,067,046.12 and 178,937.73 is: 268,386.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,416.49 : 1,067,046.12 = 178,937.73 : x
  2. Step 2: Convert to fraction form
    711,416.49/1,067,046.12 = 178,937.73/x
  3. Step 3: Cross multiply
    711,416.49x = 1,067,046.12 × 178,937.73
  4. Step 4: Simplify right side
    711,416.49x = 190,934,810,518.11
  5. Step 5: Solve for x
    x = 190,934,810,518.11/711,416.49
  6. Step 6: Final answer
    x = 268,386.82

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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.