Home / 268,897.98-371,072.43-148,038.06

Finding the Fourth Proportional to 268,897.98, 371,072.43 and 148,038.06

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Solution

The fourth proportional to 268,897.98, 371,072.43 and 148,038.06 is: 204,288.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,897.98 : 371,072.43 = 148,038.06 : x
  2. Step 2: Convert to fraction form
    268,897.98/371,072.43 = 148,038.06/x
  3. Step 3: Cross multiply
    268,897.98x = 371,072.43 × 148,038.06
  4. Step 4: Simplify right side
    268,897.98x = 54,932,842,656.69
  5. Step 5: Solve for x
    x = 54,932,842,656.69/268,897.98
  6. Step 6: Final answer
    x = 204,288.79

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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.