Home / 342,715.29-472,953-187,680.23

Finding the Fourth Proportional to 342,715.29, 472,953 and 187,680.23

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Solution

The fourth proportional to 342,715.29, 472,953 and 187,680.23 is: 259,001.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,715.29 : 472,953 = 187,680.23 : x
  2. Step 2: Convert to fraction form
    342,715.29/472,953 = 187,680.23/x
  3. Step 3: Cross multiply
    342,715.29x = 472,953 × 187,680.23
  4. Step 4: Simplify right side
    342,715.29x = 88,763,927,819.19
  5. Step 5: Solve for x
    x = 88,763,927,819.19/342,715.29
  6. Step 6: Final answer
    x = 259,001.95

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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.