Home / 206,838.11-310,275.06-57,078.42

Finding the Fourth Proportional to 206,838.11, 310,275.06 and 57,078.42

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Solution

The fourth proportional to 206,838.11, 310,275.06 and 57,078.42 is: 85,622.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,838.11 : 310,275.06 = 57,078.42 : x
  2. Step 2: Convert to fraction form
    206,838.11/310,275.06 = 57,078.42/x
  3. Step 3: Cross multiply
    206,838.11x = 310,275.06 × 57,078.42
  4. Step 4: Simplify right side
    206,838.11x = 17,710,010,557.93
  5. Step 5: Solve for x
    x = 17,710,010,557.93/206,838.11
  6. Step 6: Final answer
    x = 85,622.57

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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.