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Finding the Fourth Proportional to 448,511.96, 618,938.60 and 244,564.50

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Solution

The fourth proportional to 448,511.96, 618,938.60 and 244,564.50 is: 337,494.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,511.96 : 618,938.60 = 244,564.50 : x
  2. Step 2: Convert to fraction form
    448,511.96/618,938.60 = 244,564.50/x
  3. Step 3: Cross multiply
    448,511.96x = 618,938.60 × 244,564.50
  4. Step 4: Simplify right side
    448,511.96x = 151,370,409,239.70
  5. Step 5: Solve for x
    x = 151,370,409,239.70/448,511.96
  6. Step 6: Final answer
    x = 337,494.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.