Home / 277,315.79-415,336.55-176,106.42

Finding the Fourth Proportional to 277,315.79, 415,336.55 and 176,106.42

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Solution

The fourth proportional to 277,315.79, 415,336.55 and 176,106.42 is: 263,755.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,315.79 : 415,336.55 = 176,106.42 : x
  2. Step 2: Convert to fraction form
    277,315.79/415,336.55 = 176,106.42/x
  3. Step 3: Cross multiply
    277,315.79x = 415,336.55 × 176,106.42
  4. Step 4: Simplify right side
    277,315.79x = 73,143,432,035.12
  5. Step 5: Solve for x
    x = 73,143,432,035.12/277,315.79
  6. Step 6: Final answer
    x = 263,755.03

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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.