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Finding the Fourth Proportional to 448,396.56, 618,792.04 and 247,199.76

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Solution

The fourth proportional to 448,396.56, 618,792.04 and 247,199.76 is: 341,138.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,396.56 : 618,792.04 = 247,199.76 : x
  2. Step 2: Convert to fraction form
    448,396.56/618,792.04 = 247,199.76/x
  3. Step 3: Cross multiply
    448,396.56x = 618,792.04 × 247,199.76
  4. Step 4: Simplify right side
    448,396.56x = 152,965,243,777.91
  5. Step 5: Solve for x
    x = 152,965,243,777.91/448,396.56
  6. Step 6: Final answer
    x = 341,138.31

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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.