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Finding the Fourth Proportional to 447,903.82, 618,107.30 and 246,699.82

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Solution

The fourth proportional to 447,903.82, 618,107.30 and 246,699.82 is: 340,445.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,903.82 : 618,107.30 = 246,699.82 : x
  2. Step 2: Convert to fraction form
    447,903.82/618,107.30 = 246,699.82/x
  3. Step 3: Cross multiply
    447,903.82x = 618,107.30 × 246,699.82
  4. Step 4: Simplify right side
    447,903.82x = 152,486,959,650.69
  5. Step 5: Solve for x
    x = 152,486,959,650.69/447,903.82
  6. Step 6: Final answer
    x = 340,445.77

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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.