Home / 386,022.04-579,036.32-149,391.88

Finding the Fourth Proportional to 386,022.04, 579,036.32 and 149,391.88

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Solution

The fourth proportional to 386,022.04, 579,036.32 and 149,391.88 is: 224,089.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,022.04 : 579,036.32 = 149,391.88 : x
  2. Step 2: Convert to fraction form
    386,022.04/579,036.32 = 149,391.88/x
  3. Step 3: Cross multiply
    386,022.04x = 579,036.32 × 149,391.88
  4. Step 4: Simplify right side
    386,022.04x = 86,503,324,433.08
  5. Step 5: Solve for x
    x = 86,503,324,433.08/386,022.04
  6. Step 6: Final answer
    x = 224,089.08

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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.