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Finding the Fourth Proportional to 448,497.48, 618,918.60 and 244,550

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Solution

The fourth proportional to 448,497.48, 618,918.60 and 244,550 is: 337,474.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,497.48 : 618,918.60 = 244,550 : x
  2. Step 2: Convert to fraction form
    448,497.48/618,918.60 = 244,550/x
  3. Step 3: Cross multiply
    448,497.48x = 618,918.60 × 244,550
  4. Step 4: Simplify right side
    448,497.48x = 151,356,543,630
  5. Step 5: Solve for x
    x = 151,356,543,630/448,497.48
  6. Step 6: Final answer
    x = 337,474.68

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1.5x scale

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.