Home / 209,947.28-314,703.89-97,535.78

Finding the Fourth Proportional to 209,947.28, 314,703.89 and 97,535.78

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Solution

The fourth proportional to 209,947.28, 314,703.89 and 97,535.78 is: 146,202.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,947.28 : 314,703.89 = 97,535.78 : x
  2. Step 2: Convert to fraction form
    209,947.28/314,703.89 = 97,535.78/x
  3. Step 3: Cross multiply
    209,947.28x = 314,703.89 × 97,535.78
  4. Step 4: Simplify right side
    209,947.28x = 30,694,887,318.99
  5. Step 5: Solve for x
    x = 30,694,887,318.99/209,947.28
  6. Step 6: Final answer
    x = 146,202.84

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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.