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Finding the Fourth Proportional to 245,040.30, 367,560.45 and 120,624.30

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Solution

The fourth proportional to 245,040.30, 367,560.45 and 120,624.30 is: 180,936.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,040.30 : 367,560.45 = 120,624.30 : x
  2. Step 2: Convert to fraction form
    245,040.30/367,560.45 = 120,624.30/x
  3. Step 3: Cross multiply
    245,040.30x = 367,560.45 × 120,624.30
  4. Step 4: Simplify right side
    245,040.30x = 44,336,721,988.94
  5. Step 5: Solve for x
    x = 44,336,721,988.94/245,040.30
  6. Step 6: Final answer
    x = 180,936.45

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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.