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Finding the Fourth Proportional to 344,663.46, 517,197.36 and 144,968.46

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Solution

The fourth proportional to 344,663.46, 517,197.36 and 144,968.46 is: 217,537.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,663.46 : 517,197.36 = 144,968.46 : x
  2. Step 2: Convert to fraction form
    344,663.46/517,197.36 = 144,968.46/x
  3. Step 3: Cross multiply
    344,663.46x = 517,197.36 × 144,968.46
  4. Step 4: Simplify right side
    344,663.46x = 74,977,304,795.27
  5. Step 5: Solve for x
    x = 74,977,304,795.27/344,663.46
  6. Step 6: Final answer
    x = 217,537.72

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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.