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Finding the Fourth Proportional to 220,006.70, 303,614.07 and 124,513.46

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Solution

The fourth proportional to 220,006.70, 303,614.07 and 124,513.46 is: 171,831.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,006.70 : 303,614.07 = 124,513.46 : x
  2. Step 2: Convert to fraction form
    220,006.70/303,614.07 = 124,513.46/x
  3. Step 3: Cross multiply
    220,006.70x = 303,614.07 × 124,513.46
  4. Step 4: Simplify right side
    220,006.70x = 37,804,038,360.38
  5. Step 5: Solve for x
    x = 37,804,038,360.38/220,006.70
  6. Step 6: Final answer
    x = 171,831.30

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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.