Home / 439,512.72-659,368.50-140,010.36

Finding the Fourth Proportional to 439,512.72, 659,368.50 and 140,010.36

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Solution

The fourth proportional to 439,512.72, 659,368.50 and 140,010.36 is: 210,047.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,512.72 : 659,368.50 = 140,010.36 : x
  2. Step 2: Convert to fraction form
    439,512.72/659,368.50 = 140,010.36/x
  3. Step 3: Cross multiply
    439,512.72x = 659,368.50 × 140,010.36
  4. Step 4: Simplify right side
    439,512.72x = 92,318,421,057.66
  5. Step 5: Solve for x
    x = 92,318,421,057.66/439,512.72
  6. Step 6: Final answer
    x = 210,047.21

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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.