Home / 397,175.02-548,112.20-215,899.14

Finding the Fourth Proportional to 397,175.02, 548,112.20 and 215,899.14

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Solution

The fourth proportional to 397,175.02, 548,112.20 and 215,899.14 is: 297,946.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,175.02 : 548,112.20 = 215,899.14 : x
  2. Step 2: Convert to fraction form
    397,175.02/548,112.20 = 215,899.14/x
  3. Step 3: Cross multiply
    397,175.02x = 548,112.20 × 215,899.14
  4. Step 4: Simplify right side
    397,175.02x = 118,336,952,603.51
  5. Step 5: Solve for x
    x = 118,336,952,603.51/397,175.02
  6. Step 6: Final answer
    x = 297,946.61

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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.