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Finding the Fourth Proportional to 246,643.55, 370,079.51 and 134,189.81

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Solution

The fourth proportional to 246,643.55, 370,079.51 and 134,189.81 is: 201,346.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,643.55 : 370,079.51 = 134,189.81 : x
  2. Step 2: Convert to fraction form
    246,643.55/370,079.51 = 134,189.81/x
  3. Step 3: Cross multiply
    246,643.55x = 370,079.51 × 134,189.81
  4. Step 4: Simplify right side
    246,643.55x = 49,660,896,610.45
  5. Step 5: Solve for x
    x = 49,660,896,610.45/246,643.55
  6. Step 6: Final answer
    x = 201,346.83

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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.