Home / 451,827.49-677,300.59-215,106.61

Finding the Fourth Proportional to 451,827.49, 677,300.59 and 215,106.61

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Solution

The fourth proportional to 451,827.49, 677,300.59 and 215,106.61 is: 322,450.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,827.49 : 677,300.59 = 215,106.61 : x
  2. Step 2: Convert to fraction form
    451,827.49/677,300.59 = 215,106.61/x
  3. Step 3: Cross multiply
    451,827.49x = 677,300.59 × 215,106.61
  4. Step 4: Simplify right side
    451,827.49x = 145,691,833,865.90
  5. Step 5: Solve for x
    x = 145,691,833,865.90/451,827.49
  6. Step 6: Final answer
    x = 322,450.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.