Home / 207,559.29-311,347.13-57,812.66

Finding the Fourth Proportional to 207,559.29, 311,347.13 and 57,812.66

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Solution

The fourth proportional to 207,559.29, 311,347.13 and 57,812.66 is: 86,721.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,559.29 : 311,347.13 = 57,812.66 : x
  2. Step 2: Convert to fraction form
    207,559.29/311,347.13 = 57,812.66/x
  3. Step 3: Cross multiply
    207,559.29x = 311,347.13 × 57,812.66
  4. Step 4: Simplify right side
    207,559.29x = 17,999,806,209.98
  5. Step 5: Solve for x
    x = 17,999,806,209.98/207,559.29
  6. Step 6: Final answer
    x = 86,721.28

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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.