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Finding the Fourth Proportional to 343,320.50, 515,122.50 and 185,362.94

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Solution

The fourth proportional to 343,320.50, 515,122.50 and 185,362.94 is: 278,120.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,320.50 : 515,122.50 = 185,362.94 : x
  2. Step 2: Convert to fraction form
    343,320.50/515,122.50 = 185,362.94/x
  3. Step 3: Cross multiply
    343,320.50x = 515,122.50 × 185,362.94
  4. Step 4: Simplify right side
    343,320.50x = 95,484,621,060.15
  5. Step 5: Solve for x
    x = 95,484,621,060.15/343,320.50
  6. Step 6: Final answer
    x = 278,120.94

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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.