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Finding the Fourth Proportional to 652,317.30, 978,431.94 and 178,963.02

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Solution

The fourth proportional to 652,317.30, 978,431.94 and 178,963.02 is: 268,432.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,317.30 : 978,431.94 = 178,963.02 : x
  2. Step 2: Convert to fraction form
    652,317.30/978,431.94 = 178,963.02/x
  3. Step 3: Cross multiply
    652,317.30x = 978,431.94 × 178,963.02
  4. Step 4: Simplify right side
    652,317.30x = 175,103,134,846.86
  5. Step 5: Solve for x
    x = 175,103,134,846.86/652,317.30
  6. Step 6: Final answer
    x = 268,432.46

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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.