Home / 276,531.36-414,460.08-143,338.20

Finding the Fourth Proportional to 276,531.36, 414,460.08 and 143,338.20

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Solution

The fourth proportional to 276,531.36, 414,460.08 and 143,338.20 is: 214,832.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,531.36 : 414,460.08 = 143,338.20 : x
  2. Step 2: Convert to fraction form
    276,531.36/414,460.08 = 143,338.20/x
  3. Step 3: Cross multiply
    276,531.36x = 414,460.08 × 143,338.20
  4. Step 4: Simplify right side
    276,531.36x = 59,407,961,839.06
  5. Step 5: Solve for x
    x = 59,407,961,839.06/276,531.36
  6. Step 6: Final answer
    x = 214,832.64

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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.