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Finding the Fourth Proportional to 341,348.31, 512,250.93 and 141,668.82

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Solution

The fourth proportional to 341,348.31, 512,250.93 and 141,668.82 is: 212,598.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,348.31 : 512,250.93 = 141,668.82 : x
  2. Step 2: Convert to fraction form
    341,348.31/512,250.93 = 141,668.82/x
  3. Step 3: Cross multiply
    341,348.31x = 512,250.93 × 141,668.82
  4. Step 4: Simplify right side
    341,348.31x = 72,569,984,797.00
  5. Step 5: Solve for x
    x = 72,569,984,797.00/341,348.31
  6. Step 6: Final answer
    x = 212,598.05

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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.