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Finding the Fourth Proportional to 448,003.08, 618,244.20 and 246,799.08

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Solution

The fourth proportional to 448,003.08, 618,244.20 and 246,799.08 is: 340,582.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,003.08 : 618,244.20 = 246,799.08 : x
  2. Step 2: Convert to fraction form
    448,003.08/618,244.20 = 246,799.08/x
  3. Step 3: Cross multiply
    448,003.08x = 618,244.20 × 246,799.08
  4. Step 4: Simplify right side
    448,003.08x = 152,582,099,775.34
  5. Step 5: Solve for x
    x = 152,582,099,775.34/448,003.08
  6. Step 6: Final answer
    x = 340,582.70

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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.