Home / 252,401.47-348,316.25-137,680.62

Finding the Fourth Proportional to 252,401.47, 348,316.25 and 137,680.62

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Solution

The fourth proportional to 252,401.47, 348,316.25 and 137,680.62 is: 190,000.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,401.47 : 348,316.25 = 137,680.62 : x
  2. Step 2: Convert to fraction form
    252,401.47/348,316.25 = 137,680.62/x
  3. Step 3: Cross multiply
    252,401.47x = 348,316.25 × 137,680.62
  4. Step 4: Simplify right side
    252,401.47x = 47,956,396,567.67
  5. Step 5: Solve for x
    x = 47,956,396,567.67/252,401.47
  6. Step 6: Final answer
    x = 190,000.47

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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.