Home / 347,274.40-520,937.20-125,629.60

Finding the Fourth Proportional to 347,274.40, 520,937.20 and 125,629.60

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Solution

The fourth proportional to 347,274.40, 520,937.20 and 125,629.60 is: 188,453.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,274.40 : 520,937.20 = 125,629.60 : x
  2. Step 2: Convert to fraction form
    347,274.40/520,937.20 = 125,629.60/x
  3. Step 3: Cross multiply
    347,274.40x = 520,937.20 × 125,629.60
  4. Step 4: Simplify right side
    347,274.40x = 65,445,132,061.12
  5. Step 5: Solve for x
    x = 65,445,132,061.12/347,274.40
  6. Step 6: Final answer
    x = 188,453.66

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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.