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Finding the Fourth Proportional to 341,481.80, 512,222.70 and 163,897.40

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Solution

The fourth proportional to 341,481.80, 512,222.70 and 163,897.40 is: 245,846.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,481.80 : 512,222.70 = 163,897.40 : x
  2. Step 2: Convert to fraction form
    341,481.80/512,222.70 = 163,897.40/x
  3. Step 3: Cross multiply
    341,481.80x = 512,222.70 × 163,897.40
  4. Step 4: Simplify right side
    341,481.80x = 83,951,968,750.98
  5. Step 5: Solve for x
    x = 83,951,968,750.98/341,481.80
  6. Step 6: Final answer
    x = 245,846.10

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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.