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Finding the Fourth Proportional to 225,316.35, 310,951.62 and 129,829.23

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Solution

The fourth proportional to 225,316.35, 310,951.62 and 129,829.23 is: 179,173.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,316.35 : 310,951.62 = 129,829.23 : x
  2. Step 2: Convert to fraction form
    225,316.35/310,951.62 = 129,829.23/x
  3. Step 3: Cross multiply
    225,316.35x = 310,951.62 × 129,829.23
  4. Step 4: Simplify right side
    225,316.35x = 40,370,609,391.85
  5. Step 5: Solve for x
    x = 40,370,609,391.85/225,316.35
  6. Step 6: Final answer
    x = 179,173.01

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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.