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Finding the Fourth Proportional to 277,648.48, 383,131.74 and 162,915.40

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Solution

The fourth proportional to 277,648.48, 383,131.74 and 162,915.40 is: 224,809.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,648.48 : 383,131.74 = 162,915.40 : x
  2. Step 2: Convert to fraction form
    277,648.48/383,131.74 = 162,915.40/x
  3. Step 3: Cross multiply
    277,648.48x = 383,131.74 × 162,915.40
  4. Step 4: Simplify right side
    277,648.48x = 62,418,060,674.80
  5. Step 5: Solve for x
    x = 62,418,060,674.80/277,648.48
  6. Step 6: Final answer
    x = 224,809.66

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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.