Home / 276,816.10-414,896.10-143,627.80

Finding the Fourth Proportional to 276,816.10, 414,896.10 and 143,627.80

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Solution

The fourth proportional to 276,816.10, 414,896.10 and 143,627.80 is: 215,271.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,816.10 : 414,896.10 = 143,627.80 : x
  2. Step 2: Convert to fraction form
    276,816.10/414,896.10 = 143,627.80/x
  3. Step 3: Cross multiply
    276,816.10x = 414,896.10 × 143,627.80
  4. Step 4: Simplify right side
    276,816.10x = 59,590,614,071.58
  5. Step 5: Solve for x
    x = 59,590,614,071.58/276,816.10
  6. Step 6: Final answer
    x = 215,271.49

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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.