Home / 397,225.37-548,174.57-215,937.65

Finding the Fourth Proportional to 397,225.37, 548,174.57 and 215,937.65

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Solution

The fourth proportional to 397,225.37, 548,174.57 and 215,937.65 is: 297,995.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,225.37 : 548,174.57 = 215,937.65 : x
  2. Step 2: Convert to fraction form
    397,225.37/548,174.57 = 215,937.65/x
  3. Step 3: Cross multiply
    397,225.37x = 548,174.57 × 215,937.65
  4. Step 4: Simplify right side
    397,225.37x = 118,371,526,857.48
  5. Step 5: Solve for x
    x = 118,371,526,857.48/397,225.37
  6. Step 6: Final answer
    x = 297,995.89

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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.