Home / 658,255.50-987,386.49-159,619.50

Finding the Fourth Proportional to 658,255.50, 987,386.49 and 159,619.50

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Solution

The fourth proportional to 658,255.50, 987,386.49 and 159,619.50 is: 239,430.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,255.50 : 987,386.49 = 159,619.50 : x
  2. Step 2: Convert to fraction form
    658,255.50/987,386.49 = 159,619.50/x
  3. Step 3: Cross multiply
    658,255.50x = 987,386.49 × 159,619.50
  4. Step 4: Simplify right side
    658,255.50x = 157,606,137,840.56
  5. Step 5: Solve for x
    x = 157,606,137,840.56/658,255.50
  6. Step 6: Final answer
    x = 239,430.04

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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.