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Finding the Fourth Proportional to 366,854.40, 549,763.20 and 226,195.20

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Solution

The fourth proportional to 366,854.40, 549,763.20 and 226,195.20 is: 338,973.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,854.40 : 549,763.20 = 226,195.20 : x
  2. Step 2: Convert to fraction form
    366,854.40/549,763.20 = 226,195.20/x
  3. Step 3: Cross multiply
    366,854.40x = 549,763.20 × 226,195.20
  4. Step 4: Simplify right side
    366,854.40x = 124,353,796,976.64
  5. Step 5: Solve for x
    x = 124,353,796,976.64/366,854.40
  6. Step 6: Final answer
    x = 338,973.16

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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.