Home / 318,435.06-439,434.15-175,197.50

Finding the Fourth Proportional to 318,435.06, 439,434.15 and 175,197.50

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Solution

The fourth proportional to 318,435.06, 439,434.15 and 175,197.50 is: 241,769.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,435.06 : 439,434.15 = 175,197.50 : x
  2. Step 2: Convert to fraction form
    318,435.06/439,434.15 = 175,197.50/x
  3. Step 3: Cross multiply
    318,435.06x = 439,434.15 × 175,197.50
  4. Step 4: Simplify right side
    318,435.06x = 76,987,764,494.63
  5. Step 5: Solve for x
    x = 76,987,764,494.63/318,435.06
  6. Step 6: Final answer
    x = 241,769.12

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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.