Home / 439,513.22-659,295.35-169,642.89

Finding the Fourth Proportional to 439,513.22, 659,295.35 and 169,642.89

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Solution

The fourth proportional to 439,513.22, 659,295.35 and 169,642.89 is: 254,474.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,513.22 : 659,295.35 = 169,642.89 : x
  2. Step 2: Convert to fraction form
    439,513.22/659,295.35 = 169,642.89/x
  3. Step 3: Cross multiply
    439,513.22x = 659,295.35 × 169,642.89
  4. Step 4: Simplify right side
    439,513.22x = 111,844,767,689.35
  5. Step 5: Solve for x
    x = 111,844,767,689.35/439,513.22
  6. Step 6: Final answer
    x = 254,474.19

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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.