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Finding the Fourth Proportional to 658,637.76, 987,959.06 and 160,001.76

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Solution

The fourth proportional to 658,637.76, 987,959.06 and 160,001.76 is: 240,003.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,637.76 : 987,959.06 = 160,001.76 : x
  2. Step 2: Convert to fraction form
    658,637.76/987,959.06 = 160,001.76/x
  3. Step 3: Cross multiply
    658,637.76x = 987,959.06 × 160,001.76
  4. Step 4: Simplify right side
    658,637.76x = 158,075,188,407.95
  5. Step 5: Solve for x
    x = 158,075,188,407.95/658,637.76
  6. Step 6: Final answer
    x = 240,003.23

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1.5x scale

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.