Home / 268,926.80-403,390.47-69,247.63

Finding the Fourth Proportional to 268,926.80, 403,390.47 and 69,247.63

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Solution

The fourth proportional to 268,926.80, 403,390.47 and 69,247.63 is: 103,871.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,926.80 : 403,390.47 = 69,247.63 : x
  2. Step 2: Convert to fraction form
    268,926.80/403,390.47 = 69,247.63/x
  3. Step 3: Cross multiply
    268,926.80x = 403,390.47 × 69,247.63
  4. Step 4: Simplify right side
    268,926.80x = 27,933,834,012.09
  5. Step 5: Solve for x
    x = 27,933,834,012.09/268,926.80
  6. Step 6: Final answer
    x = 103,871.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.