Home / 397,495.47-548,493.91-268,714.16

Finding the Fourth Proportional to 397,495.47, 548,493.91 and 268,714.16

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Solution

The fourth proportional to 397,495.47, 548,493.91 and 268,714.16 is: 370,791.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,495.47 : 548,493.91 = 268,714.16 : x
  2. Step 2: Convert to fraction form
    397,495.47/548,493.91 = 268,714.16/x
  3. Step 3: Cross multiply
    397,495.47x = 548,493.91 × 268,714.16
  4. Step 4: Simplify right side
    397,495.47x = 147,388,080,290.77
  5. Step 5: Solve for x
    x = 147,388,080,290.77/397,495.47
  6. Step 6: Final answer
    x = 370,791.85

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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.