Home / 341,072.20-511,316.58-130,861

Finding the Fourth Proportional to 341,072.20, 511,316.58 and 130,861

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Solution

The fourth proportional to 341,072.20, 511,316.58 and 130,861 is: 196,179.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,072.20 : 511,316.58 = 130,861 : x
  2. Step 2: Convert to fraction form
    341,072.20/511,316.58 = 130,861/x
  3. Step 3: Cross multiply
    341,072.20x = 511,316.58 × 130,861
  4. Step 4: Simplify right side
    341,072.20x = 66,911,398,975.38
  5. Step 5: Solve for x
    x = 66,911,398,975.38/341,072.20
  6. Step 6: Final answer
    x = 196,179.57

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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.