Home / 338,689.07-506,974.86-218,585.47

Finding the Fourth Proportional to 338,689.07, 506,974.86 and 218,585.47

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Solution

The fourth proportional to 338,689.07, 506,974.86 and 218,585.47 is: 327,194.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,689.07 : 506,974.86 = 218,585.47 : x
  2. Step 2: Convert to fraction form
    338,689.07/506,974.86 = 218,585.47/x
  3. Step 3: Cross multiply
    338,689.07x = 506,974.86 × 218,585.47
  4. Step 4: Simplify right side
    338,689.07x = 110,817,338,225.79
  5. Step 5: Solve for x
    x = 110,817,338,225.79/338,689.07
  6. Step 6: Final answer
    x = 327,194.91

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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.