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Finding the Fourth Proportional to 65,283.30, 97,811.55 and 30,150.90

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Solution

The fourth proportional to 65,283.30, 97,811.55 and 30,150.90 is: 45,173.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,283.30 : 97,811.55 = 30,150.90 : x
  2. Step 2: Convert to fraction form
    65,283.30/97,811.55 = 30,150.90/x
  3. Step 3: Cross multiply
    65,283.30x = 97,811.55 × 30,150.90
  4. Step 4: Simplify right side
    65,283.30x = 2,949,106,262.90
  5. Step 5: Solve for x
    x = 2,949,106,262.90/65,283.30
  6. Step 6: Final answer
    x = 45,173.98

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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.