Home / 397,394.07-548,381.66-227,639.13

Finding the Fourth Proportional to 397,394.07, 548,381.66 and 227,639.13

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Solution

The fourth proportional to 397,394.07, 548,381.66 and 227,639.13 is: 314,129.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,394.07 : 548,381.66 = 227,639.13 : x
  2. Step 2: Convert to fraction form
    397,394.07/548,381.66 = 227,639.13/x
  3. Step 3: Cross multiply
    397,394.07x = 548,381.66 × 227,639.13
  4. Step 4: Simplify right side
    397,394.07x = 124,833,122,852.16
  5. Step 5: Solve for x
    x = 124,833,122,852.16/397,394.07
  6. Step 6: Final answer
    x = 314,129.30

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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.