Home / 397,026.64-547,895.73-215,738.59

Finding the Fourth Proportional to 397,026.64, 547,895.73 and 215,738.59

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Solution

The fourth proportional to 397,026.64, 547,895.73 and 215,738.59 is: 297,718.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,026.64 : 547,895.73 = 215,738.59 : x
  2. Step 2: Convert to fraction form
    397,026.64/547,895.73 = 215,738.59/x
  3. Step 3: Cross multiply
    397,026.64x = 547,895.73 × 215,738.59
  4. Step 4: Simplify right side
    397,026.64x = 118,202,252,257.22
  5. Step 5: Solve for x
    x = 118,202,252,257.22/397,026.64
  6. Step 6: Final answer
    x = 297,718.69

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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.