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Finding the Fourth Proportional to 484,093.90, 668,058.17 and 269,234.06

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Solution

The fourth proportional to 484,093.90, 668,058.17 and 269,234.06 is: 371,547.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,093.90 : 668,058.17 = 269,234.06 : x
  2. Step 2: Convert to fraction form
    484,093.90/668,058.17 = 269,234.06/x
  3. Step 3: Cross multiply
    484,093.90x = 668,058.17 × 269,234.06
  4. Step 4: Simplify right side
    484,093.90x = 179,864,010,408.96
  5. Step 5: Solve for x
    x = 179,864,010,408.96/484,093.90
  6. Step 6: Final answer
    x = 371,547.77

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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.