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Finding the Fourth Proportional to 499,038.22, 748,853.79 and 183,716.56

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Solution

The fourth proportional to 499,038.22, 748,853.79 and 183,716.56 is: 275,683.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,038.22 : 748,853.79 = 183,716.56 : x
  2. Step 2: Convert to fraction form
    499,038.22/748,853.79 = 183,716.56/x
  3. Step 3: Cross multiply
    499,038.22x = 748,853.79 × 183,716.56
  4. Step 4: Simplify right side
    499,038.22x = 137,576,842,241.76
  5. Step 5: Solve for x
    x = 137,576,842,241.76/499,038.22
  6. Step 6: Final answer
    x = 275,683.98

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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.