Home / 397,123.04-548,033.99-215,834.96

Finding the Fourth Proportional to 397,123.04, 548,033.99 and 215,834.96

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Solution

The fourth proportional to 397,123.04, 548,033.99 and 215,834.96 is: 297,854.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,123.04 : 548,033.99 = 215,834.96 : x
  2. Step 2: Convert to fraction form
    397,123.04/548,033.99 = 215,834.96/x
  3. Step 3: Cross multiply
    397,123.04x = 548,033.99 × 215,834.96
  4. Step 4: Simplify right side
    397,123.04x = 118,284,894,310.29
  5. Step 5: Solve for x
    x = 118,284,894,310.29/397,123.04
  6. Step 6: Final answer
    x = 297,854.52

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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.