Home / 260,383.28-390,572.09-197,589.05

Finding the Fourth Proportional to 260,383.28, 390,572.09 and 197,589.05

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Solution

The fourth proportional to 260,383.28, 390,572.09 and 197,589.05 is: 296,381.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,383.28 : 390,572.09 = 197,589.05 : x
  2. Step 2: Convert to fraction form
    260,383.28/390,572.09 = 197,589.05/x
  3. Step 3: Cross multiply
    260,383.28x = 390,572.09 × 197,589.05
  4. Step 4: Simplify right side
    260,383.28x = 77,172,765,278.81
  5. Step 5: Solve for x
    x = 77,172,765,278.81/260,383.28
  6. Step 6: Final answer
    x = 296,381.41

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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.