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Finding the Fourth Proportional to 225,242.04, 310,836.78 and 124,649.40

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Solution

The fourth proportional to 225,242.04, 310,836.78 and 124,649.40 is: 172,017.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,242.04 : 310,836.78 = 124,649.40 : x
  2. Step 2: Convert to fraction form
    225,242.04/310,836.78 = 124,649.40/x
  3. Step 3: Cross multiply
    225,242.04x = 310,836.78 × 124,649.40
  4. Step 4: Simplify right side
    225,242.04x = 38,745,618,124.93
  5. Step 5: Solve for x
    x = 38,745,618,124.93/225,242.04
  6. Step 6: Final answer
    x = 172,017.70

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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.