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Finding the Fourth Proportional to 187,575.50, 281,408 and 61,215.98

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Solution

The fourth proportional to 187,575.50, 281,408 and 61,215.98 is: 91,838.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,575.50 : 281,408 = 61,215.98 : x
  2. Step 2: Convert to fraction form
    187,575.50/281,408 = 61,215.98/x
  3. Step 3: Cross multiply
    187,575.50x = 281,408 × 61,215.98
  4. Step 4: Simplify right side
    187,575.50x = 17,226,666,499.84
  5. Step 5: Solve for x
    x = 17,226,666,499.84/187,575.50
  6. Step 6: Final answer
    x = 91,838.57

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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.