Home / 378,948.57-567,929.23-154,046.31

Finding the Fourth Proportional to 378,948.57, 567,929.23 and 154,046.31

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Solution

The fourth proportional to 378,948.57, 567,929.23 and 154,046.31 is: 230,868.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,948.57 : 567,929.23 = 154,046.31 : x
  2. Step 2: Convert to fraction form
    378,948.57/567,929.23 = 154,046.31/x
  3. Step 3: Cross multiply
    378,948.57x = 567,929.23 × 154,046.31
  4. Step 4: Simplify right side
    378,948.57x = 87,487,402,222.64
  5. Step 5: Solve for x
    x = 87,487,402,222.64/378,948.57
  6. Step 6: Final answer
    x = 230,868.80

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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.