Home / 277,631.16-383,131.11-150,306.72

Finding the Fourth Proportional to 277,631.16, 383,131.11 and 150,306.72

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Solution

The fourth proportional to 277,631.16, 383,131.11 and 150,306.72 is: 207,423.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,631.16 : 383,131.11 = 150,306.72 : x
  2. Step 2: Convert to fraction form
    277,631.16/383,131.11 = 150,306.72/x
  3. Step 3: Cross multiply
    277,631.16x = 383,131.11 × 150,306.72
  4. Step 4: Simplify right side
    277,631.16x = 57,587,180,474.06
  5. Step 5: Solve for x
    x = 57,587,180,474.06/277,631.16
  6. Step 6: Final answer
    x = 207,423.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.