Home / 246,685.40-340,491.60-139,318.28

Finding the Fourth Proportional to 246,685.40, 340,491.60 and 139,318.28

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Solution

The fourth proportional to 246,685.40, 340,491.60 and 139,318.28 is: 192,296.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,685.40 : 340,491.60 = 139,318.28 : x
  2. Step 2: Convert to fraction form
    246,685.40/340,491.60 = 139,318.28/x
  3. Step 3: Cross multiply
    246,685.40x = 340,491.60 × 139,318.28
  4. Step 4: Simplify right side
    246,685.40x = 47,436,704,066.45
  5. Step 5: Solve for x
    x = 47,436,704,066.45/246,685.40
  6. Step 6: Final answer
    x = 192,296.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.