Home / 318,255.71-439,180.67-175,007.21

Finding the Fourth Proportional to 318,255.71, 439,180.67 and 175,007.21

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Solution

The fourth proportional to 318,255.71, 439,180.67 and 175,007.21 is: 241,503.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,255.71 : 439,180.67 = 175,007.21 : x
  2. Step 2: Convert to fraction form
    318,255.71/439,180.67 = 175,007.21/x
  3. Step 3: Cross multiply
    318,255.71x = 439,180.67 × 175,007.21
  4. Step 4: Simplify right side
    318,255.71x = 76,859,782,867.59
  5. Step 5: Solve for x
    x = 76,859,782,867.59/318,255.71
  6. Step 6: Final answer
    x = 241,503.23

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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.