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Finding the Fourth Proportional to 315,466.44, 472,665.02 and 190,545

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Solution

The fourth proportional to 315,466.44, 472,665.02 and 190,545 is: 285,494.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,466.44 : 472,665.02 = 190,545 : x
  2. Step 2: Convert to fraction form
    315,466.44/472,665.02 = 190,545/x
  3. Step 3: Cross multiply
    315,466.44x = 472,665.02 × 190,545
  4. Step 4: Simplify right side
    315,466.44x = 90,063,956,235.90
  5. Step 5: Solve for x
    x = 90,063,956,235.90/315,466.44
  6. Step 6: Final answer
    x = 285,494.57

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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.