Home / 347,734.81-521,602.20-189,877.15

Finding the Fourth Proportional to 347,734.81, 521,602.20 and 189,877.15

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Solution

The fourth proportional to 347,734.81, 521,602.20 and 189,877.15 is: 284,815.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,734.81 : 521,602.20 = 189,877.15 : x
  2. Step 2: Convert to fraction form
    347,734.81/521,602.20 = 189,877.15/x
  3. Step 3: Cross multiply
    347,734.81x = 521,602.20 × 189,877.15
  4. Step 4: Simplify right side
    347,734.81x = 99,040,339,169.73
  5. Step 5: Solve for x
    x = 99,040,339,169.73/347,734.81
  6. Step 6: Final answer
    x = 284,815.72

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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.