Home / 231,971.20-347,956.80-179,418.40

Finding the Fourth Proportional to 231,971.20, 347,956.80 and 179,418.40

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Solution

The fourth proportional to 231,971.20, 347,956.80 and 179,418.40 is: 269,127.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,971.20 : 347,956.80 = 179,418.40 : x
  2. Step 2: Convert to fraction form
    231,971.20/347,956.80 = 179,418.40/x
  3. Step 3: Cross multiply
    231,971.20x = 347,956.80 × 179,418.40
  4. Step 4: Simplify right side
    231,971.20x = 62,429,852,325.12
  5. Step 5: Solve for x
    x = 62,429,852,325.12/231,971.20
  6. Step 6: Final answer
    x = 269,127.60

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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.