Home / 220,264.95-303,897.38-123,455.40

Finding the Fourth Proportional to 220,264.95, 303,897.38 and 123,455.40

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Solution

The fourth proportional to 220,264.95, 303,897.38 and 123,455.40 is: 170,330.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,264.95 : 303,897.38 = 123,455.40 : x
  2. Step 2: Convert to fraction form
    220,264.95/303,897.38 = 123,455.40/x
  3. Step 3: Cross multiply
    220,264.95x = 303,897.38 × 123,455.40
  4. Step 4: Simplify right side
    220,264.95x = 37,517,770,849.96
  5. Step 5: Solve for x
    x = 37,517,770,849.96/220,264.95
  6. Step 6: Final answer
    x = 170,330.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.