Home / 262,400.90-362,102.82-155,005.44

Finding the Fourth Proportional to 262,400.90, 362,102.82 and 155,005.44

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Solution

The fourth proportional to 262,400.90, 362,102.82 and 155,005.44 is: 213,901.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,400.90 : 362,102.82 = 155,005.44 : x
  2. Step 2: Convert to fraction form
    262,400.90/362,102.82 = 155,005.44/x
  3. Step 3: Cross multiply
    262,400.90x = 362,102.82 × 155,005.44
  4. Step 4: Simplify right side
    262,400.90x = 56,127,906,939.34
  5. Step 5: Solve for x
    x = 56,127,906,939.34/262,400.90
  6. Step 6: Final answer
    x = 213,901.35

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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.