Home / 439,637.80-659,259.60-173,261.20

Finding the Fourth Proportional to 439,637.80, 659,259.60 and 173,261.20

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Solution

The fourth proportional to 439,637.80, 659,259.60 and 173,261.20 is: 259,814.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,637.80 : 659,259.60 = 173,261.20 : x
  2. Step 2: Convert to fraction form
    439,637.80/659,259.60 = 173,261.20/x
  3. Step 3: Cross multiply
    439,637.80x = 659,259.60 × 173,261.20
  4. Step 4: Simplify right side
    439,637.80x = 114,224,109,407.52
  5. Step 5: Solve for x
    x = 114,224,109,407.52/439,637.80
  6. Step 6: Final answer
    x = 259,814.12

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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.