Home / 658,642.50-987,966.18-160,006.50

Finding the Fourth Proportional to 658,642.50, 987,966.18 and 160,006.50

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Solution

The fourth proportional to 658,642.50, 987,966.18 and 160,006.50 is: 240,010.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,642.50 : 987,966.18 = 160,006.50 : x
  2. Step 2: Convert to fraction form
    658,642.50/987,966.18 = 160,006.50/x
  3. Step 3: Cross multiply
    658,642.50x = 987,966.18 × 160,006.50
  4. Step 4: Simplify right side
    658,642.50x = 158,081,010,580.17
  5. Step 5: Solve for x
    x = 158,081,010,580.17/658,642.50
  6. Step 6: Final answer
    x = 240,010.34

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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.