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Finding the Fourth Proportional to 539,005.30, 808,216.35 and 223,494.10

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Solution

The fourth proportional to 539,005.30, 808,216.35 and 223,494.10 is: 335,120.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,005.30 : 808,216.35 = 223,494.10 : x
  2. Step 2: Convert to fraction form
    539,005.30/808,216.35 = 223,494.10/x
  3. Step 3: Cross multiply
    539,005.30x = 808,216.35 × 223,494.10
  4. Step 4: Simplify right side
    539,005.30x = 180,631,585,748.54
  5. Step 5: Solve for x
    x = 180,631,585,748.54/539,005.30
  6. Step 6: Final answer
    x = 335,120.24

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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.