Home / 439,450.04-659,237.76-135,870.32

Finding the Fourth Proportional to 439,450.04, 659,237.76 and 135,870.32

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Solution

The fourth proportional to 439,450.04, 659,237.76 and 135,870.32 is: 203,824.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,450.04 : 659,237.76 = 135,870.32 : x
  2. Step 2: Convert to fraction form
    439,450.04/659,237.76 = 135,870.32/x
  3. Step 3: Cross multiply
    439,450.04x = 659,237.76 × 135,870.32
  4. Step 4: Simplify right side
    439,450.04x = 89,570,845,407.28
  5. Step 5: Solve for x
    x = 89,570,845,407.28/439,450.04
  6. Step 6: Final answer
    x = 203,824.87

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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.