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Finding the Fourth Proportional to 225,094.54, 310,726.12 and 140,253.52

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Solution

The fourth proportional to 225,094.54, 310,726.12 and 140,253.52 is: 193,609.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,094.54 : 310,726.12 = 140,253.52 : x
  2. Step 2: Convert to fraction form
    225,094.54/310,726.12 = 140,253.52/x
  3. Step 3: Cross multiply
    225,094.54x = 310,726.12 × 140,253.52
  4. Step 4: Simplify right side
    225,094.54x = 43,580,432,085.94
  5. Step 5: Solve for x
    x = 43,580,432,085.94/225,094.54
  6. Step 6: Final answer
    x = 193,609.46

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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.