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Finding the Fourth Proportional to 341,627.76, 512,195.40 and 208,476.72

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Solution

The fourth proportional to 341,627.76, 512,195.40 and 208,476.72 is: 312,564.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,627.76 : 512,195.40 = 208,476.72 : x
  2. Step 2: Convert to fraction form
    341,627.76/512,195.40 = 208,476.72/x
  3. Step 3: Cross multiply
    341,627.76x = 512,195.40 × 208,476.72
  4. Step 4: Simplify right side
    341,627.76x = 106,780,816,991.09
  5. Step 5: Solve for x
    x = 106,780,816,991.09/341,627.76
  6. Step 6: Final answer
    x = 312,564.81

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1.5x scale

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.