Home / 389,388.37-537,361.02-226,083.16

Finding the Fourth Proportional to 389,388.37, 537,361.02 and 226,083.16

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Solution

The fourth proportional to 389,388.37, 537,361.02 and 226,083.16 is: 311,997.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,388.37 : 537,361.02 = 226,083.16 : x
  2. Step 2: Convert to fraction form
    389,388.37/537,361.02 = 226,083.16/x
  3. Step 3: Cross multiply
    389,388.37x = 537,361.02 × 226,083.16
  4. Step 4: Simplify right side
    389,388.37x = 121,488,277,462.42
  5. Step 5: Solve for x
    x = 121,488,277,462.42/389,388.37
  6. Step 6: Final answer
    x = 311,997.70

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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.