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Finding the Fourth Proportional to 446,400.32, 669,601.68 and 109,442.48

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Solution

The fourth proportional to 446,400.32, 669,601.68 and 109,442.48 is: 164,164.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,400.32 : 669,601.68 = 109,442.48 : x
  2. Step 2: Convert to fraction form
    446,400.32/669,601.68 = 109,442.48/x
  3. Step 3: Cross multiply
    446,400.32x = 669,601.68 × 109,442.48
  4. Step 4: Simplify right side
    446,400.32x = 73,282,868,471.37
  5. Step 5: Solve for x
    x = 73,282,868,471.37/446,400.32
  6. Step 6: Final answer
    x = 164,164.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.