Home / 218,969.44-302,089.02-154,532.20

Finding the Fourth Proportional to 218,969.44, 302,089.02 and 154,532.20

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Solution

The fourth proportional to 218,969.44, 302,089.02 and 154,532.20 is: 213,191.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,969.44 : 302,089.02 = 154,532.20 : x
  2. Step 2: Convert to fraction form
    218,969.44/302,089.02 = 154,532.20/x
  3. Step 3: Cross multiply
    218,969.44x = 302,089.02 × 154,532.20
  4. Step 4: Simplify right side
    218,969.44x = 46,682,480,856.44
  5. Step 5: Solve for x
    x = 46,682,480,856.44/218,969.44
  6. Step 6: Final answer
    x = 213,191.76

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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.