Home / 658,641.75-987,965.07-160,005.75

Finding the Fourth Proportional to 658,641.75, 987,965.07 and 160,005.75

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Solution

The fourth proportional to 658,641.75, 987,965.07 and 160,005.75 is: 240,009.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,641.75 : 987,965.07 = 160,005.75 : x
  2. Step 2: Convert to fraction form
    658,641.75/987,965.07 = 160,005.75/x
  3. Step 3: Cross multiply
    658,641.75x = 987,965.07 × 160,005.75
  4. Step 4: Simplify right side
    658,641.75x = 158,080,091,999.15
  5. Step 5: Solve for x
    x = 158,080,091,999.15/658,641.75
  6. Step 6: Final answer
    x = 240,009.22

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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.