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Finding the Fourth Proportional to 271,839.84, 375,126 and 150,988.80

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Solution

The fourth proportional to 271,839.84, 375,126 and 150,988.80 is: 208,357.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,839.84 : 375,126 = 150,988.80 : x
  2. Step 2: Convert to fraction form
    271,839.84/375,126 = 150,988.80/x
  3. Step 3: Cross multiply
    271,839.84x = 375,126 × 150,988.80
  4. Step 4: Simplify right side
    271,839.84x = 56,639,824,588.80
  5. Step 5: Solve for x
    x = 56,639,824,588.80/271,839.84
  6. Step 6: Final answer
    x = 208,357.33

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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.