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Finding the Fourth Proportional to 233,998.98, 322,918.65 and 126,568.98

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Solution

The fourth proportional to 233,998.98, 322,918.65 and 126,568.98 is: 174,665.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,998.98 : 322,918.65 = 126,568.98 : x
  2. Step 2: Convert to fraction form
    233,998.98/322,918.65 = 126,568.98/x
  3. Step 3: Cross multiply
    233,998.98x = 322,918.65 × 126,568.98
  4. Step 4: Simplify right side
    233,998.98x = 40,871,484,153.48
  5. Step 5: Solve for x
    x = 40,871,484,153.48/233,998.98
  6. Step 6: Final answer
    x = 174,665.23

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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.