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Finding the Fourth Proportional to 246,699.52, 340,426.32 and 139,280.14

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Solution

The fourth proportional to 246,699.52, 340,426.32 and 139,280.14 is: 192,195.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,699.52 : 340,426.32 = 139,280.14 : x
  2. Step 2: Convert to fraction form
    246,699.52/340,426.32 = 139,280.14/x
  3. Step 3: Cross multiply
    246,699.52x = 340,426.32 × 139,280.14
  4. Step 4: Simplify right side
    246,699.52x = 47,414,625,509.28
  5. Step 5: Solve for x
    x = 47,414,625,509.28/246,699.52
  6. Step 6: Final answer
    x = 192,195.86

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1.5x scale

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.