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Finding the Fourth Proportional to 375,917.95, 563,940.11 and 186,387.67

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Solution

The fourth proportional to 375,917.95, 563,940.11 and 186,387.67 is: 279,612.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,917.95 : 563,940.11 = 186,387.67 : x
  2. Step 2: Convert to fraction form
    375,917.95/563,940.11 = 186,387.67/x
  3. Step 3: Cross multiply
    375,917.95x = 563,940.11 × 186,387.67
  4. Step 4: Simplify right side
    375,917.95x = 105,111,483,122.44
  5. Step 5: Solve for x
    x = 105,111,483,122.44/375,917.95
  6. Step 6: Final answer
    x = 279,612.83

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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.