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Finding the Fourth Proportional to 172,327.95, 258,492.02 and 54,008.51

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Solution

The fourth proportional to 172,327.95, 258,492.02 and 54,008.51 is: 81,012.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,327.95 : 258,492.02 = 54,008.51 : x
  2. Step 2: Convert to fraction form
    172,327.95/258,492.02 = 54,008.51/x
  3. Step 3: Cross multiply
    172,327.95x = 258,492.02 × 54,008.51
  4. Step 4: Simplify right side
    172,327.95x = 13,960,767,284.59
  5. Step 5: Solve for x
    x = 13,960,767,284.59/172,327.95
  6. Step 6: Final answer
    x = 81,012.79

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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.