Home / 353,252.07-487,492.20-192,111.21

Finding the Fourth Proportional to 353,252.07, 487,492.20 and 192,111.21

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Solution

The fourth proportional to 353,252.07, 487,492.20 and 192,111.21 is: 265,115.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,252.07 : 487,492.20 = 192,111.21 : x
  2. Step 2: Convert to fraction form
    353,252.07/487,492.20 = 192,111.21/x
  3. Step 3: Cross multiply
    353,252.07x = 487,492.20 × 192,111.21
  4. Step 4: Simplify right side
    353,252.07x = 93,652,716,407.56
  5. Step 5: Solve for x
    x = 93,652,716,407.56/353,252.07
  6. Step 6: Final answer
    x = 265,115.83

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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.