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Finding the Fourth Proportional to 539,598.40, 808,749.60 and 223,892.80

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Solution

The fourth proportional to 539,598.40, 808,749.60 and 223,892.80 is: 335,570.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,598.40 : 808,749.60 = 223,892.80 : x
  2. Step 2: Convert to fraction form
    539,598.40/808,749.60 = 223,892.80/x
  3. Step 3: Cross multiply
    539,598.40x = 808,749.60 × 223,892.80
  4. Step 4: Simplify right side
    539,598.40x = 181,073,212,442.88
  5. Step 5: Solve for x
    x = 181,073,212,442.88/539,598.40
  6. Step 6: Final answer
    x = 335,570.33

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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.