Home / 226,035.84-311,918.40-135,395.52

Finding the Fourth Proportional to 226,035.84, 311,918.40 and 135,395.52

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Solution

The fourth proportional to 226,035.84, 311,918.40 and 135,395.52 is: 186,839.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,035.84 : 311,918.40 = 135,395.52 : x
  2. Step 2: Convert to fraction form
    226,035.84/311,918.40 = 135,395.52/x
  3. Step 3: Cross multiply
    226,035.84x = 311,918.40 × 135,395.52
  4. Step 4: Simplify right side
    226,035.84x = 42,232,353,965.57
  5. Step 5: Solve for x
    x = 42,232,353,965.57/226,035.84
  6. Step 6: Final answer
    x = 186,839.19

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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.