Home / 448,013.61-671,787.09-211,292.73

Finding the Fourth Proportional to 448,013.61, 671,787.09 and 211,292.73

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Solution

The fourth proportional to 448,013.61, 671,787.09 and 211,292.73 is: 316,829.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,013.61 : 671,787.09 = 211,292.73 : x
  2. Step 2: Convert to fraction form
    448,013.61/671,787.09 = 211,292.73/x
  3. Step 3: Cross multiply
    448,013.61x = 671,787.09 × 211,292.73
  4. Step 4: Simplify right side
    448,013.61x = 141,943,728,224.86
  5. Step 5: Solve for x
    x = 141,943,728,224.86/448,013.61
  6. Step 6: Final answer
    x = 316,829.05

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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.