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Finding the Fourth Proportional to 208,319.05, 312,592.33 and 88,357.34

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Solution

The fourth proportional to 208,319.05, 312,592.33 and 88,357.34 is: 132,584.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,319.05 : 312,592.33 = 88,357.34 : x
  2. Step 2: Convert to fraction form
    208,319.05/312,592.33 = 88,357.34/x
  3. Step 3: Cross multiply
    208,319.05x = 312,592.33 × 88,357.34
  4. Step 4: Simplify right side
    208,319.05x = 27,619,826,783.20
  5. Step 5: Solve for x
    x = 27,619,826,783.20/208,319.05
  6. Step 6: Final answer
    x = 132,584.26

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1.5x scale

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.