Home / 398,916.95-550,502.78-226,834.93

Finding the Fourth Proportional to 398,916.95, 550,502.78 and 226,834.93

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Solution

The fourth proportional to 398,916.95, 550,502.78 and 226,834.93 is: 313,030.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,916.95 : 550,502.78 = 226,834.93 : x
  2. Step 2: Convert to fraction form
    398,916.95/550,502.78 = 226,834.93/x
  3. Step 3: Cross multiply
    398,916.95x = 550,502.78 × 226,834.93
  4. Step 4: Simplify right side
    398,916.95x = 124,873,255,679.42
  5. Step 5: Solve for x
    x = 124,873,255,679.42/398,916.95
  6. Step 6: Final answer
    x = 313,030.71

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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.