Home / 389,026.13-536,899.52-228,017.37

Finding the Fourth Proportional to 389,026.13, 536,899.52 and 228,017.37

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Solution

The fourth proportional to 389,026.13, 536,899.52 and 228,017.37 is: 314,689.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,026.13 : 536,899.52 = 228,017.37 : x
  2. Step 2: Convert to fraction form
    389,026.13/536,899.52 = 228,017.37/x
  3. Step 3: Cross multiply
    389,026.13x = 536,899.52 × 228,017.37
  4. Step 4: Simplify right side
    389,026.13x = 122,422,415,364.58
  5. Step 5: Solve for x
    x = 122,422,415,364.58/389,026.13
  6. Step 6: Final answer
    x = 314,689.44

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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.