Home / 515,988.31-773,955.12-160,961.66

Finding the Fourth Proportional to 515,988.31, 773,955.12 and 160,961.66

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Solution

The fourth proportional to 515,988.31, 773,955.12 and 160,961.66 is: 241,433.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,988.31 : 773,955.12 = 160,961.66 : x
  2. Step 2: Convert to fraction form
    515,988.31/773,955.12 = 160,961.66/x
  3. Step 3: Cross multiply
    515,988.31x = 773,955.12 × 160,961.66
  4. Step 4: Simplify right side
    515,988.31x = 124,577,102,815.59
  5. Step 5: Solve for x
    x = 124,577,102,815.59/515,988.31
  6. Step 6: Final answer
    x = 241,433.96

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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.