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Finding the Fourth Proportional to 347,224.80, 520,885.80 and 147,543.60

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Solution

The fourth proportional to 347,224.80, 520,885.80 and 147,543.60 is: 221,336.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,224.80 : 520,885.80 = 147,543.60 : x
  2. Step 2: Convert to fraction form
    347,224.80/520,885.80 = 147,543.60/x
  3. Step 3: Cross multiply
    347,224.80x = 520,885.80 × 147,543.60
  4. Step 4: Simplify right side
    347,224.80x = 76,853,366,120.88
  5. Step 5: Solve for x
    x = 76,853,366,120.88/347,224.80
  6. Step 6: Final answer
    x = 221,336.05

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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.