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Finding the Fourth Proportional to 539,459.70, 809,513.55 and 223,883.70

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Solution

The fourth proportional to 539,459.70, 809,513.55 and 223,883.70 is: 335,960.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,459.70 : 809,513.55 = 223,883.70 : x
  2. Step 2: Convert to fraction form
    539,459.70/809,513.55 = 223,883.70/x
  3. Step 3: Cross multiply
    539,459.70x = 809,513.55 × 223,883.70
  4. Step 4: Simplify right side
    539,459.70x = 181,236,888,774.14
  5. Step 5: Solve for x
    x = 181,236,888,774.14/539,459.70
  6. Step 6: Final answer
    x = 335,960.01

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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.