Home / 347,225.04-479,371.32-231,029.76

Finding the Fourth Proportional to 347,225.04, 479,371.32 and 231,029.76

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Solution

The fourth proportional to 347,225.04, 479,371.32 and 231,029.76 is: 318,954.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,225.04 : 479,371.32 = 231,029.76 : x
  2. Step 2: Convert to fraction form
    347,225.04/479,371.32 = 231,029.76/x
  3. Step 3: Cross multiply
    347,225.04x = 479,371.32 × 231,029.76
  4. Step 4: Simplify right side
    347,225.04x = 110,749,041,010.48
  5. Step 5: Solve for x
    x = 110,749,041,010.48/347,225.04
  6. Step 6: Final answer
    x = 318,954.65

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1.5x scale

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.