Home / 762,156.29-1,143,234.88-193,580.03

Finding the Fourth Proportional to 762,156.29, 1,143,234.88 and 193,580.03

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Solution

The fourth proportional to 762,156.29, 1,143,234.88 and 193,580.03 is: 290,370.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,156.29 : 1,143,234.88 = 193,580.03 : x
  2. Step 2: Convert to fraction form
    762,156.29/1,143,234.88 = 193,580.03/x
  3. Step 3: Cross multiply
    762,156.29x = 1,143,234.88 × 193,580.03
  4. Step 4: Simplify right side
    762,156.29x = 221,307,442,367.45
  5. Step 5: Solve for x
    x = 221,307,442,367.45/762,156.29
  6. Step 6: Final answer
    x = 290,370.16

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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.