Home / 318,480.06-439,491.51-175,226.70

Finding the Fourth Proportional to 318,480.06, 439,491.51 and 175,226.70

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Solution

The fourth proportional to 318,480.06, 439,491.51 and 175,226.70 is: 241,806.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,480.06 : 439,491.51 = 175,226.70 : x
  2. Step 2: Convert to fraction form
    318,480.06/439,491.51 = 175,226.70/x
  3. Step 3: Cross multiply
    318,480.06x = 439,491.51 × 175,226.70
  4. Step 4: Simplify right side
    318,480.06x = 77,010,646,975.32
  5. Step 5: Solve for x
    x = 77,010,646,975.32/318,480.06
  6. Step 6: Final answer
    x = 241,806.81

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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.