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Finding the Fourth Proportional to 581,049.60, 871,401.60 and 225,859.20

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Solution

The fourth proportional to 581,049.60, 871,401.60 and 225,859.20 is: 338,721.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,049.60 : 871,401.60 = 225,859.20 : x
  2. Step 2: Convert to fraction form
    581,049.60/871,401.60 = 225,859.20/x
  3. Step 3: Cross multiply
    581,049.60x = 871,401.60 × 225,859.20
  4. Step 4: Simplify right side
    581,049.60x = 196,814,068,254.72
  5. Step 5: Solve for x
    x = 196,814,068,254.72/581,049.60
  6. Step 6: Final answer
    x = 338,721.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.