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Finding the Fourth Proportional to 230,970.40, 346,390.80 and 73,247.20

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Solution

The fourth proportional to 230,970.40, 346,390.80 and 73,247.20 is: 109,850.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,970.40 : 346,390.80 = 73,247.20 : x
  2. Step 2: Convert to fraction form
    230,970.40/346,390.80 = 73,247.20/x
  3. Step 3: Cross multiply
    230,970.40x = 346,390.80 × 73,247.20
  4. Step 4: Simplify right side
    230,970.40x = 25,372,156,205.76
  5. Step 5: Solve for x
    x = 25,372,156,205.76/230,970.40
  6. Step 6: Final answer
    x = 109,850.25

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.