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Finding the Fourth Proportional to 229,395.96, 344,304.09 and 122,900.13

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Solution

The fourth proportional to 229,395.96, 344,304.09 and 122,900.13 is: 184,462.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,395.96 : 344,304.09 = 122,900.13 : x
  2. Step 2: Convert to fraction form
    229,395.96/344,304.09 = 122,900.13/x
  3. Step 3: Cross multiply
    229,395.96x = 344,304.09 × 122,900.13
  4. Step 4: Simplify right side
    229,395.96x = 42,315,017,420.53
  5. Step 5: Solve for x
    x = 42,315,017,420.53/229,395.96
  6. Step 6: Final answer
    x = 184,462.78

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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.