Home / 318,172.80-439,067.24-174,931.74

Finding the Fourth Proportional to 318,172.80, 439,067.24 and 174,931.74

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Solution

The fourth proportional to 318,172.80, 439,067.24 and 174,931.74 is: 241,399.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,172.80 : 439,067.24 = 174,931.74 : x
  2. Step 2: Convert to fraction form
    318,172.80/439,067.24 = 174,931.74/x
  3. Step 3: Cross multiply
    318,172.80x = 439,067.24 × 174,931.74
  4. Step 4: Simplify right side
    318,172.80x = 76,806,796,270.20
  5. Step 5: Solve for x
    x = 76,806,796,270.20/318,172.80
  6. Step 6: Final answer
    x = 241,399.63

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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.