Home / 501,043.06-751,378.02-201,422.80

Finding the Fourth Proportional to 501,043.06, 751,378.02 and 201,422.80

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Solution

The fourth proportional to 501,043.06, 751,378.02 and 201,422.80 is: 302,059.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,043.06 : 751,378.02 = 201,422.80 : x
  2. Step 2: Convert to fraction form
    501,043.06/751,378.02 = 201,422.80/x
  3. Step 3: Cross multiply
    501,043.06x = 751,378.02 × 201,422.80
  4. Step 4: Simplify right side
    501,043.06x = 151,344,664,646.86
  5. Step 5: Solve for x
    x = 151,344,664,646.86/501,043.06
  6. Step 6: Final answer
    x = 302,059.20

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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.