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Finding the Fourth Proportional to 220,537.94, 330,673.73 and 98,936.22

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Solution

The fourth proportional to 220,537.94, 330,673.73 and 98,936.22 is: 148,344.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,537.94 : 330,673.73 = 98,936.22 : x
  2. Step 2: Convert to fraction form
    220,537.94/330,673.73 = 98,936.22/x
  3. Step 3: Cross multiply
    220,537.94x = 330,673.73 × 98,936.22
  4. Step 4: Simplify right side
    220,537.94x = 32,715,607,784.81
  5. Step 5: Solve for x
    x = 32,715,607,784.81/220,537.94
  6. Step 6: Final answer
    x = 148,344.58

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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.