Home / 307,051.08-423,906.29-205,248.95

Finding the Fourth Proportional to 307,051.08, 423,906.29 and 205,248.95

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Solution

The fourth proportional to 307,051.08, 423,906.29 and 205,248.95 is: 283,361.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,051.08 : 423,906.29 = 205,248.95 : x
  2. Step 2: Convert to fraction form
    307,051.08/423,906.29 = 205,248.95/x
  3. Step 3: Cross multiply
    307,051.08x = 423,906.29 × 205,248.95
  4. Step 4: Simplify right side
    307,051.08x = 87,006,320,920.90
  5. Step 5: Solve for x
    x = 87,006,320,920.90/307,051.08
  6. Step 6: Final answer
    x = 283,361.06

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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.