Home / 318,329.82-439,295.38-175,100.76

Finding the Fourth Proportional to 318,329.82, 439,295.38 and 175,100.76

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Solution

The fourth proportional to 318,329.82, 439,295.38 and 175,100.76 is: 241,639.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,329.82 : 439,295.38 = 175,100.76 : x
  2. Step 2: Convert to fraction form
    318,329.82/439,295.38 = 175,100.76/x
  3. Step 3: Cross multiply
    318,329.82x = 439,295.38 × 175,100.76
  4. Step 4: Simplify right side
    318,329.82x = 76,920,954,902.49
  5. Step 5: Solve for x
    x = 76,920,954,902.49/318,329.82
  6. Step 6: Final answer
    x = 241,639.17

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1.5x scale

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.