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Finding the Fourth Proportional to 375,665.57, 518,255.57 and 248,518.25

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Solution

The fourth proportional to 375,665.57, 518,255.57 and 248,518.25 is: 342,847.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,665.57 : 518,255.57 = 248,518.25 : x
  2. Step 2: Convert to fraction form
    375,665.57/518,255.57 = 248,518.25/x
  3. Step 3: Cross multiply
    375,665.57x = 518,255.57 × 248,518.25
  4. Step 4: Simplify right side
    375,665.57x = 128,795,965,339.17
  5. Step 5: Solve for x
    x = 128,795,965,339.17/375,665.57
  6. Step 6: Final answer
    x = 342,847.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.