Home / 318,754.12-439,890.36-175,519.29

Finding the Fourth Proportional to 318,754.12, 439,890.36 and 175,519.29

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Solution

The fourth proportional to 318,754.12, 439,890.36 and 175,519.29 is: 242,221.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,754.12 : 439,890.36 = 175,519.29 : x
  2. Step 2: Convert to fraction form
    318,754.12/439,890.36 = 175,519.29/x
  3. Step 3: Cross multiply
    318,754.12x = 439,890.36 × 175,519.29
  4. Step 4: Simplify right side
    318,754.12x = 77,209,240,588.00
  5. Step 5: Solve for x
    x = 77,209,240,588.00/318,754.12
  6. Step 6: Final answer
    x = 242,221.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.