Home / 342,932.10-513,717.75-228,728.58

Finding the Fourth Proportional to 342,932.10, 513,717.75 and 228,728.58

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Solution

The fourth proportional to 342,932.10, 513,717.75 and 228,728.58 is: 342,639.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,932.10 : 513,717.75 = 228,728.58 : x
  2. Step 2: Convert to fraction form
    342,932.10/513,717.75 = 228,728.58/x
  3. Step 3: Cross multiply
    342,932.10x = 513,717.75 × 228,728.58
  4. Step 4: Simplify right side
    342,932.10x = 117,501,931,478.30
  5. Step 5: Solve for x
    x = 117,501,931,478.30/342,932.10
  6. Step 6: Final answer
    x = 342,639.06

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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.