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Finding the Fourth Proportional to 237,331.84, 355,952.38 and 71,119.84

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Solution

The fourth proportional to 237,331.84, 355,952.38 and 71,119.84 is: 106,666.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,331.84 : 355,952.38 = 71,119.84 : x
  2. Step 2: Convert to fraction form
    237,331.84/355,952.38 = 71,119.84/x
  3. Step 3: Cross multiply
    237,331.84x = 355,952.38 × 71,119.84
  4. Step 4: Simplify right side
    237,331.84x = 25,315,276,313.22
  5. Step 5: Solve for x
    x = 25,315,276,313.22/237,331.84
  6. Step 6: Final answer
    x = 106,666.16

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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.