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Finding the Fourth Proportional to 201,785.70, 302,548.95 and 83,504.10

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Solution

The fourth proportional to 201,785.70, 302,548.95 and 83,504.10 is: 125,202.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,785.70 : 302,548.95 = 83,504.10 : x
  2. Step 2: Convert to fraction form
    201,785.70/302,548.95 = 83,504.10/x
  3. Step 3: Cross multiply
    201,785.70x = 302,548.95 × 83,504.10
  4. Step 4: Simplify right side
    201,785.70x = 25,264,077,775.70
  5. Step 5: Solve for x
    x = 25,264,077,775.70/201,785.70
  6. Step 6: Final answer
    x = 125,202.52

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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.