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Finding the Fourth Proportional to 225,480.03, 311,158.71 and 123,504.54

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Solution

The fourth proportional to 225,480.03, 311,158.71 and 123,504.54 is: 170,434.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,480.03 : 311,158.71 = 123,504.54 : x
  2. Step 2: Convert to fraction form
    225,480.03/311,158.71 = 123,504.54/x
  3. Step 3: Cross multiply
    225,480.03x = 311,158.71 × 123,504.54
  4. Step 4: Simplify right side
    225,480.03x = 38,429,513,345.54
  5. Step 5: Solve for x
    x = 38,429,513,345.54/225,480.03
  6. Step 6: Final answer
    x = 170,434.22

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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.