Home / 315,072.24-472,470.12-117,942

Finding the Fourth Proportional to 315,072.24, 472,470.12 and 117,942

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Solution

The fourth proportional to 315,072.24, 472,470.12 and 117,942 is: 176,861.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,072.24 : 472,470.12 = 117,942 : x
  2. Step 2: Convert to fraction form
    315,072.24/472,470.12 = 117,942/x
  3. Step 3: Cross multiply
    315,072.24x = 472,470.12 × 117,942
  4. Step 4: Simplify right side
    315,072.24x = 55,724,070,893.04
  5. Step 5: Solve for x
    x = 55,724,070,893.04/315,072.24
  6. Step 6: Final answer
    x = 176,861.25

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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.