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Finding the Fourth Proportional to 448,004.13, 618,245.43 and 246,800.13

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Solution

The fourth proportional to 448,004.13, 618,245.43 and 246,800.13 is: 340,584.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,004.13 : 618,245.43 = 246,800.13 : x
  2. Step 2: Convert to fraction form
    448,004.13/618,245.43 = 246,800.13/x
  3. Step 3: Cross multiply
    448,004.13x = 618,245.43 × 246,800.13
  4. Step 4: Simplify right side
    448,004.13x = 152,583,052,495.91
  5. Step 5: Solve for x
    x = 152,583,052,495.91/448,004.13
  6. Step 6: Final answer
    x = 340,584.03

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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.