Home / 439,731.40-659,815.80-173,500.60

Finding the Fourth Proportional to 439,731.40, 659,815.80 and 173,500.60

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Solution

The fourth proportional to 439,731.40, 659,815.80 and 173,500.60 is: 260,337.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,731.40 : 659,815.80 = 173,500.60 : x
  2. Step 2: Convert to fraction form
    439,731.40/659,815.80 = 173,500.60/x
  3. Step 3: Cross multiply
    439,731.40x = 659,815.80 × 173,500.60
  4. Step 4: Simplify right side
    439,731.40x = 114,478,437,189.48
  5. Step 5: Solve for x
    x = 114,478,437,189.48/439,731.40
  6. Step 6: Final answer
    x = 260,337.19

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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.