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Finding the Fourth Proportional to 549,276, 823,919.04 and 216,852

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Solution

The fourth proportional to 549,276, 823,919.04 and 216,852 is: 325,279.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,276 : 823,919.04 = 216,852 : x
  2. Step 2: Convert to fraction form
    549,276/823,919.04 = 216,852/x
  3. Step 3: Cross multiply
    549,276x = 823,919.04 × 216,852
  4. Step 4: Simplify right side
    549,276x = 178,668,491,662.08
  5. Step 5: Solve for x
    x = 178,668,491,662.08/549,276
  6. Step 6: Final answer
    x = 325,279.99

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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.