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Finding the Fourth Proportional to 345,369.98, 517,619.84 and 185,048.30

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Solution

The fourth proportional to 345,369.98, 517,619.84 and 185,048.30 is: 277,339.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,369.98 : 517,619.84 = 185,048.30 : x
  2. Step 2: Convert to fraction form
    345,369.98/517,619.84 = 185,048.30/x
  3. Step 3: Cross multiply
    345,369.98x = 517,619.84 × 185,048.30
  4. Step 4: Simplify right side
    345,369.98x = 95,784,671,438.27
  5. Step 5: Solve for x
    x = 95,784,671,438.27/345,369.98
  6. Step 6: Final answer
    x = 277,339.31

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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.