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Finding the Fourth Proportional to 225,292.10, 310,903.55 and 123,324.07

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Solution

The fourth proportional to 225,292.10, 310,903.55 and 123,324.07 is: 170,187.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,292.10 : 310,903.55 = 123,324.07 : x
  2. Step 2: Convert to fraction form
    225,292.10/310,903.55 = 123,324.07/x
  3. Step 3: Cross multiply
    225,292.10x = 310,903.55 × 123,324.07
  4. Step 4: Simplify right side
    225,292.10x = 38,341,891,335.25
  5. Step 5: Solve for x
    x = 38,341,891,335.25/225,292.10
  6. Step 6: Final answer
    x = 170,187.47

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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.