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Finding the Fourth Proportional to 235,347.71, 352,910.68 and 85,482.32

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Solution

The fourth proportional to 235,347.71, 352,910.68 and 85,482.32 is: 128,183.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,347.71 : 352,910.68 = 85,482.32 : x
  2. Step 2: Convert to fraction form
    235,347.71/352,910.68 = 85,482.32/x
  3. Step 3: Cross multiply
    235,347.71x = 352,910.68 × 85,482.32
  4. Step 4: Simplify right side
    235,347.71x = 30,167,623,679.18
  5. Step 5: Solve for x
    x = 30,167,623,679.18/235,347.71
  6. Step 6: Final answer
    x = 128,183.20

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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.