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Finding the Fourth Proportional to 201,263.40, 301,851.90 and 88,943.40

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Solution

The fourth proportional to 201,263.40, 301,851.90 and 88,943.40 is: 133,396.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,263.40 : 301,851.90 = 88,943.40 : x
  2. Step 2: Convert to fraction form
    201,263.40/301,851.90 = 88,943.40/x
  3. Step 3: Cross multiply
    201,263.40x = 301,851.90 × 88,943.40
  4. Step 4: Simplify right side
    201,263.40x = 26,847,734,282.46
  5. Step 5: Solve for x
    x = 26,847,734,282.46/201,263.40
  6. Step 6: Final answer
    x = 133,396.01

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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.