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Finding the Fourth Proportional to 268,227.29, 402,341.31 and 68,547.89

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Solution

The fourth proportional to 268,227.29, 402,341.31 and 68,547.89 is: 102,821.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,227.29 : 402,341.31 = 68,547.89 : x
  2. Step 2: Convert to fraction form
    268,227.29/402,341.31 = 68,547.89/x
  3. Step 3: Cross multiply
    268,227.29x = 402,341.31 × 68,547.89
  4. Step 4: Simplify right side
    268,227.29x = 27,579,645,848.63
  5. Step 5: Solve for x
    x = 27,579,645,848.63/268,227.29
  6. Step 6: Final answer
    x = 102,821.93

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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.