Home / 339,935.48-509,528.92-140,146.28

Finding the Fourth Proportional to 339,935.48, 509,528.92 and 140,146.28

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Solution

The fourth proportional to 339,935.48, 509,528.92 and 140,146.28 is: 210,065.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,935.48 : 509,528.92 = 140,146.28 : x
  2. Step 2: Convert to fraction form
    339,935.48/509,528.92 = 140,146.28/x
  3. Step 3: Cross multiply
    339,935.48x = 509,528.92 × 140,146.28
  4. Step 4: Simplify right side
    339,935.48x = 71,408,582,690.42
  5. Step 5: Solve for x
    x = 71,408,582,690.42/339,935.48
  6. Step 6: Final answer
    x = 210,065.11

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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.