Home / 439,637.60-659,456.40-203,441.60

Finding the Fourth Proportional to 439,637.60, 659,456.40 and 203,441.60

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Solution

The fourth proportional to 439,637.60, 659,456.40 and 203,441.60 is: 305,162.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,637.60 : 659,456.40 = 203,441.60 : x
  2. Step 2: Convert to fraction form
    439,637.60/659,456.40 = 203,441.60/x
  3. Step 3: Cross multiply
    439,637.60x = 659,456.40 × 203,441.60
  4. Step 4: Simplify right side
    439,637.60x = 134,160,865,146.24
  5. Step 5: Solve for x
    x = 134,160,865,146.24/439,637.60
  6. Step 6: Final answer
    x = 305,162.40

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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.