Home / 841,200.28-1,261,611.78-242,027.80

Finding the Fourth Proportional to 841,200.28, 1,261,611.78 and 242,027.80

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Solution

The fourth proportional to 841,200.28, 1,261,611.78 and 242,027.80 is: 362,987.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,200.28 : 1,261,611.78 = 242,027.80 : x
  2. Step 2: Convert to fraction form
    841,200.28/1,261,611.78 = 242,027.80/x
  3. Step 3: Cross multiply
    841,200.28x = 1,261,611.78 × 242,027.80
  4. Step 4: Simplify right side
    841,200.28x = 305,345,123,567.48
  5. Step 5: Solve for x
    x = 305,345,123,567.48/841,200.28
  6. Step 6: Final answer
    x = 362,987.43

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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.