Home / 277,271.23-415,906.88-66,909.16

Finding the Fourth Proportional to 277,271.23, 415,906.88 and 66,909.16

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Solution

The fourth proportional to 277,271.23, 415,906.88 and 66,909.16 is: 100,363.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,271.23 : 415,906.88 = 66,909.16 : x
  2. Step 2: Convert to fraction form
    277,271.23/415,906.88 = 66,909.16/x
  3. Step 3: Cross multiply
    277,271.23x = 415,906.88 × 66,909.16
  4. Step 4: Simplify right side
    277,271.23x = 27,827,981,522.28
  5. Step 5: Solve for x
    x = 27,827,981,522.28/277,271.23
  6. Step 6: Final answer
    x = 100,363.76

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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.