Home / 277,281.50-415,922.32-77,631.30

Finding the Fourth Proportional to 277,281.50, 415,922.32 and 77,631.30

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Solution

The fourth proportional to 277,281.50, 415,922.32 and 77,631.30 is: 116,446.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,281.50 : 415,922.32 = 77,631.30 : x
  2. Step 2: Convert to fraction form
    277,281.50/415,922.32 = 77,631.30/x
  3. Step 3: Cross multiply
    277,281.50x = 415,922.32 × 77,631.30
  4. Step 4: Simplify right side
    277,281.50x = 32,288,590,400.62
  5. Step 5: Solve for x
    x = 32,288,590,400.62/277,281.50
  6. Step 6: Final answer
    x = 116,446.97

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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.