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Finding the Fourth Proportional to 366,285.78, 549,340.11 and 100,047.69

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Solution

The fourth proportional to 366,285.78, 549,340.11 and 100,047.69 is: 150,047.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,285.78 : 549,340.11 = 100,047.69 : x
  2. Step 2: Convert to fraction form
    366,285.78/549,340.11 = 100,047.69/x
  3. Step 3: Cross multiply
    366,285.78x = 549,340.11 × 100,047.69
  4. Step 4: Simplify right side
    366,285.78x = 54,960,209,029.85
  5. Step 5: Solve for x
    x = 54,960,209,029.85/366,285.78
  6. Step 6: Final answer
    x = 150,047.35

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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.