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Finding the Fourth Proportional to 277,640.72, 383,144.40 and 150,316.40

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Solution

The fourth proportional to 277,640.72, 383,144.40 and 150,316.40 is: 207,436.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,640.72 : 383,144.40 = 150,316.40 : x
  2. Step 2: Convert to fraction form
    277,640.72/383,144.40 = 150,316.40/x
  3. Step 3: Cross multiply
    277,640.72x = 383,144.40 × 150,316.40
  4. Step 4: Simplify right side
    277,640.72x = 57,592,886,888.16
  5. Step 5: Solve for x
    x = 57,592,886,888.16/277,640.72
  6. Step 6: Final answer
    x = 207,436.74

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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.