Home / 439,735.20-659,602.80-253,111.20

Finding the Fourth Proportional to 439,735.20, 659,602.80 and 253,111.20

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Solution

The fourth proportional to 439,735.20, 659,602.80 and 253,111.20 is: 379,666.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,735.20 : 659,602.80 = 253,111.20 : x
  2. Step 2: Convert to fraction form
    439,735.20/659,602.80 = 253,111.20/x
  3. Step 3: Cross multiply
    439,735.20x = 659,602.80 × 253,111.20
  4. Step 4: Simplify right side
    439,735.20x = 166,952,856,231.36
  5. Step 5: Solve for x
    x = 166,952,856,231.36/439,735.20
  6. Step 6: Final answer
    x = 379,666.80

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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.