Home / 268,890.84-403,242.24-79,300.92

Finding the Fourth Proportional to 268,890.84, 403,242.24 and 79,300.92

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Solution

The fourth proportional to 268,890.84, 403,242.24 and 79,300.92 is: 118,923.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,890.84 : 403,242.24 = 79,300.92 : x
  2. Step 2: Convert to fraction form
    268,890.84/403,242.24 = 79,300.92/x
  3. Step 3: Cross multiply
    268,890.84x = 403,242.24 × 79,300.92
  4. Step 4: Simplify right side
    268,890.84x = 31,977,480,614.86
  5. Step 5: Solve for x
    x = 31,977,480,614.86/268,890.84
  6. Step 6: Final answer
    x = 118,923.65

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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.