Home / 298,664.45-412,156.77-164,528.45

Finding the Fourth Proportional to 298,664.45, 412,156.77 and 164,528.45

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Solution

The fourth proportional to 298,664.45, 412,156.77 and 164,528.45 is: 227,049.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,664.45 : 412,156.77 = 164,528.45 : x
  2. Step 2: Convert to fraction form
    298,664.45/412,156.77 = 164,528.45/x
  3. Step 3: Cross multiply
    298,664.45x = 412,156.77 × 164,528.45
  4. Step 4: Simplify right side
    298,664.45x = 67,811,514,938.52
  5. Step 5: Solve for x
    x = 67,811,514,938.52/298,664.45
  6. Step 6: Final answer
    x = 227,049.17

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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.