Home / 345,826.28-477,239.31-192,864.63

Finding the Fourth Proportional to 345,826.28, 477,239.31 and 192,864.63

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Solution

The fourth proportional to 345,826.28, 477,239.31 and 192,864.63 is: 266,152.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,826.28 : 477,239.31 = 192,864.63 : x
  2. Step 2: Convert to fraction form
    345,826.28/477,239.31 = 192,864.63/x
  3. Step 3: Cross multiply
    345,826.28x = 477,239.31 × 192,864.63
  4. Step 4: Simplify right side
    345,826.28x = 92,042,582,944.61
  5. Step 5: Solve for x
    x = 92,042,582,944.61/345,826.28
  6. Step 6: Final answer
    x = 266,152.66

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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.