Home / 246,904.40-370,270.20-128,536.40

Finding the Fourth Proportional to 246,904.40, 370,270.20 and 128,536.40

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Solution

The fourth proportional to 246,904.40, 370,270.20 and 128,536.40 is: 192,759.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,904.40 : 370,270.20 = 128,536.40 : x
  2. Step 2: Convert to fraction form
    246,904.40/370,270.20 = 128,536.40/x
  3. Step 3: Cross multiply
    246,904.40x = 370,270.20 × 128,536.40
  4. Step 4: Simplify right side
    246,904.40x = 47,593,198,535.28
  5. Step 5: Solve for x
    x = 47,593,198,535.28/246,904.40
  6. Step 6: Final answer
    x = 192,759.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.