Home / 306,325.19-422,704.27-170,359.40

Finding the Fourth Proportional to 306,325.19, 422,704.27 and 170,359.40

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Solution

The fourth proportional to 306,325.19, 422,704.27 and 170,359.40 is: 235,082.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,325.19 : 422,704.27 = 170,359.40 : x
  2. Step 2: Convert to fraction form
    306,325.19/422,704.27 = 170,359.40/x
  3. Step 3: Cross multiply
    306,325.19x = 422,704.27 × 170,359.40
  4. Step 4: Simplify right side
    306,325.19x = 72,011,647,084.35
  5. Step 5: Solve for x
    x = 72,011,647,084.35/306,325.19
  6. Step 6: Final answer
    x = 235,082.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.