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Finding the Fourth Proportional to 562,671.62, 843,955.01 and 157,901.66

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Solution

The fourth proportional to 562,671.62, 843,955.01 and 157,901.66 is: 236,837.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,671.62 : 843,955.01 = 157,901.66 : x
  2. Step 2: Convert to fraction form
    562,671.62/843,955.01 = 157,901.66/x
  3. Step 3: Cross multiply
    562,671.62x = 843,955.01 × 157,901.66
  4. Step 4: Simplify right side
    562,671.62x = 133,261,897,044.32
  5. Step 5: Solve for x
    x = 133,261,897,044.32/562,671.62
  6. Step 6: Final answer
    x = 236,837.78

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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.