Home / 348,138.56-521,352.96-170,071.52

Finding the Fourth Proportional to 348,138.56, 521,352.96 and 170,071.52

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Solution

The fourth proportional to 348,138.56, 521,352.96 and 170,071.52 is: 254,689.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,138.56 : 521,352.96 = 170,071.52 : x
  2. Step 2: Convert to fraction form
    348,138.56/521,352.96 = 170,071.52/x
  3. Step 3: Cross multiply
    348,138.56x = 521,352.96 × 170,071.52
  4. Step 4: Simplify right side
    348,138.56x = 88,667,290,363.70
  5. Step 5: Solve for x
    x = 88,667,290,363.70/348,138.56
  6. Step 6: Final answer
    x = 254,689.66

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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.