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Finding the Fourth Proportional to 315,004.50, 472,579.20 and 98,851.26

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Solution

The fourth proportional to 315,004.50, 472,579.20 and 98,851.26 is: 148,299.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,004.50 : 472,579.20 = 98,851.26 : x
  2. Step 2: Convert to fraction form
    315,004.50/472,579.20 = 98,851.26/x
  3. Step 3: Cross multiply
    315,004.50x = 472,579.20 × 98,851.26
  4. Step 4: Simplify right side
    315,004.50x = 46,715,049,369.79
  5. Step 5: Solve for x
    x = 46,715,049,369.79/315,004.50
  6. Step 6: Final answer
    x = 148,299.63

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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.