Home / 439,790.98-659,749.35-140,274.96

Finding the Fourth Proportional to 439,790.98, 659,749.35 and 140,274.96

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Solution

The fourth proportional to 439,790.98, 659,749.35 and 140,274.96 is: 210,432.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,790.98 : 659,749.35 = 140,274.96 : x
  2. Step 2: Convert to fraction form
    439,790.98/659,749.35 = 140,274.96/x
  3. Step 3: Cross multiply
    439,790.98x = 659,749.35 × 140,274.96
  4. Step 4: Simplify right side
    439,790.98x = 92,546,313,681.28
  5. Step 5: Solve for x
    x = 92,546,313,681.28/439,790.98
  6. Step 6: Final answer
    x = 210,432.50

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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.