Home / 269,332.90-403,998.64-79,808.09

Finding the Fourth Proportional to 269,332.90, 403,998.64 and 79,808.09

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Solution

The fourth proportional to 269,332.90, 403,998.64 and 79,808.09 is: 119,711.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,332.90 : 403,998.64 = 79,808.09 : x
  2. Step 2: Convert to fraction form
    269,332.90/403,998.64 = 79,808.09/x
  3. Step 3: Cross multiply
    269,332.90x = 403,998.64 × 79,808.09
  4. Step 4: Simplify right side
    269,332.90x = 32,242,357,601.48
  5. Step 5: Solve for x
    x = 32,242,357,601.48/269,332.90
  6. Step 6: Final answer
    x = 119,711.92

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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.