Home / 277,446.08-415,919.32-99,828.19

Finding the Fourth Proportional to 277,446.08, 415,919.32 and 99,828.19

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Solution

The fourth proportional to 277,446.08, 415,919.32 and 99,828.19 is: 149,652.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,446.08 : 415,919.32 = 99,828.19 : x
  2. Step 2: Convert to fraction form
    277,446.08/415,919.32 = 99,828.19/x
  3. Step 3: Cross multiply
    277,446.08x = 415,919.32 × 99,828.19
  4. Step 4: Simplify right side
    277,446.08x = 41,520,471,612.26
  5. Step 5: Solve for x
    x = 41,520,471,612.26/277,446.08
  6. Step 6: Final answer
    x = 149,652.40

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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.