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Finding the Fourth Proportional to 448,124.54, 618,404.61 and 244,178.18

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Solution

The fourth proportional to 448,124.54, 618,404.61 and 244,178.18 is: 336,961.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,124.54 : 618,404.61 = 244,178.18 : x
  2. Step 2: Convert to fraction form
    448,124.54/618,404.61 = 244,178.18/x
  3. Step 3: Cross multiply
    448,124.54x = 618,404.61 × 244,178.18
  4. Step 4: Simplify right side
    448,124.54x = 151,000,912,173.41
  5. Step 5: Solve for x
    x = 151,000,912,173.41/448,124.54
  6. Step 6: Final answer
    x = 336,961.94

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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.