Home / 484,945.95-727,418.98-147,988.37

Finding the Fourth Proportional to 484,945.95, 727,418.98 and 147,988.37

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Solution

The fourth proportional to 484,945.95, 727,418.98 and 147,988.37 is: 221,982.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,945.95 : 727,418.98 = 147,988.37 : x
  2. Step 2: Convert to fraction form
    484,945.95/727,418.98 = 147,988.37/x
  3. Step 3: Cross multiply
    484,945.95x = 727,418.98 × 147,988.37
  4. Step 4: Simplify right side
    484,945.95x = 107,649,547,069.06
  5. Step 5: Solve for x
    x = 107,649,547,069.06/484,945.95
  6. Step 6: Final answer
    x = 221,982.57

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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.