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Finding the Fourth Proportional to 313,715, 432,985.02 and 179,579

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Solution

The fourth proportional to 313,715, 432,985.02 and 179,579 is: 247,852.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,715 : 432,985.02 = 179,579 : x
  2. Step 2: Convert to fraction form
    313,715/432,985.02 = 179,579/x
  3. Step 3: Cross multiply
    313,715x = 432,985.02 × 179,579
  4. Step 4: Simplify right side
    313,715x = 77,755,016,906.58
  5. Step 5: Solve for x
    x = 77,755,016,906.58/313,715
  6. Step 6: Final answer
    x = 247,852.40

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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.