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Finding the Fourth Proportional to 366,550.47, 549,805.71 and 100,291.77

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Solution

The fourth proportional to 366,550.47, 549,805.71 and 100,291.77 is: 150,432.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,550.47 : 549,805.71 = 100,291.77 : x
  2. Step 2: Convert to fraction form
    366,550.47/549,805.71 = 100,291.77/x
  3. Step 3: Cross multiply
    366,550.47x = 549,805.71 × 100,291.77
  4. Step 4: Simplify right side
    366,550.47x = 55,140,987,812.01
  5. Step 5: Solve for x
    x = 55,140,987,812.01/366,550.47
  6. Step 6: Final answer
    x = 150,432.18

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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.