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Finding the Fourth Proportional to 322,967.12, 446,200.25 and 246,753

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Solution

The fourth proportional to 322,967.12, 446,200.25 and 246,753 is: 340,905.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,967.12 : 446,200.25 = 246,753 : x
  2. Step 2: Convert to fraction form
    322,967.12/446,200.25 = 246,753/x
  3. Step 3: Cross multiply
    322,967.12x = 446,200.25 × 246,753
  4. Step 4: Simplify right side
    322,967.12x = 110,101,249,054.49
  5. Step 5: Solve for x
    x = 110,101,249,054.49/322,967.12
  6. Step 6: Final answer
    x = 340,905.45

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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.