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Finding the Fourth Proportional to 559,743.48, 839,698.64 and 180,539.54

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Solution

The fourth proportional to 559,743.48, 839,698.64 and 180,539.54 is: 270,836.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,743.48 : 839,698.64 = 180,539.54 : x
  2. Step 2: Convert to fraction form
    559,743.48/839,698.64 = 180,539.54/x
  3. Step 3: Cross multiply
    559,743.48x = 839,698.64 × 180,539.54
  4. Step 4: Simplify right side
    559,743.48x = 151,598,806,204.23
  5. Step 5: Solve for x
    x = 151,598,806,204.23/559,743.48
  6. Step 6: Final answer
    x = 270,836.22

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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.