Home / 347,937.05-480,145.31-202,733.78

Finding the Fourth Proportional to 347,937.05, 480,145.31 and 202,733.78

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Solution

The fourth proportional to 347,937.05, 480,145.31 and 202,733.78 is: 279,768.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,937.05 : 480,145.31 = 202,733.78 : x
  2. Step 2: Convert to fraction form
    347,937.05/480,145.31 = 202,733.78/x
  3. Step 3: Cross multiply
    347,937.05x = 480,145.31 × 202,733.78
  4. Step 4: Simplify right side
    347,937.05x = 97,341,673,932.35
  5. Step 5: Solve for x
    x = 97,341,673,932.35/347,937.05
  6. Step 6: Final answer
    x = 279,768.07

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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.