Home / 252,770.25-348,820.04-145,340.70

Finding the Fourth Proportional to 252,770.25, 348,820.04 and 145,340.70

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Solution

The fourth proportional to 252,770.25, 348,820.04 and 145,340.70 is: 200,568.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,770.25 : 348,820.04 = 145,340.70 : x
  2. Step 2: Convert to fraction form
    252,770.25/348,820.04 = 145,340.70/x
  3. Step 3: Cross multiply
    252,770.25x = 348,820.04 × 145,340.70
  4. Step 4: Simplify right side
    252,770.25x = 50,697,748,060.92
  5. Step 5: Solve for x
    x = 50,697,748,060.92/252,770.25
  6. Step 6: Final answer
    x = 200,568.49

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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.