Home / 261,799.22-361,282.96-145,512.70

Finding the Fourth Proportional to 261,799.22, 361,282.96 and 145,512.70

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Solution

The fourth proportional to 261,799.22, 361,282.96 and 145,512.70 is: 200,807.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,799.22 : 361,282.96 = 145,512.70 : x
  2. Step 2: Convert to fraction form
    261,799.22/361,282.96 = 145,512.70/x
  3. Step 3: Cross multiply
    261,799.22x = 361,282.96 × 145,512.70
  4. Step 4: Simplify right side
    261,799.22x = 52,571,258,973.59
  5. Step 5: Solve for x
    x = 52,571,258,973.59/261,799.22
  6. Step 6: Final answer
    x = 200,807.55

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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.