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Finding the Fourth Proportional to 369,717.90, 510,211.05 and 199,952.03

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Solution

The fourth proportional to 369,717.90, 510,211.05 and 199,952.03 is: 275,933.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,717.90 : 510,211.05 = 199,952.03 : x
  2. Step 2: Convert to fraction form
    369,717.90/510,211.05 = 199,952.03/x
  3. Step 3: Cross multiply
    369,717.90x = 510,211.05 × 199,952.03
  4. Step 4: Simplify right side
    369,717.90x = 102,017,733,538.41
  5. Step 5: Solve for x
    x = 102,017,733,538.41/369,717.90
  6. Step 6: Final answer
    x = 275,933.98

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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.