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Finding the Fourth Proportional to 347,041.08, 520,613.46 and 110,391.48

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Solution

The fourth proportional to 347,041.08, 520,613.46 and 110,391.48 is: 165,603.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,041.08 : 520,613.46 = 110,391.48 : x
  2. Step 2: Convert to fraction form
    347,041.08/520,613.46 = 110,391.48/x
  3. Step 3: Cross multiply
    347,041.08x = 520,613.46 × 110,391.48
  4. Step 4: Simplify right side
    347,041.08x = 57,471,290,357.32
  5. Step 5: Solve for x
    x = 57,471,290,357.32/347,041.08
  6. Step 6: Final answer
    x = 165,603.71

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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.