Home / 336,904.52-505,287.18-126,537.80

Finding the Fourth Proportional to 336,904.52, 505,287.18 and 126,537.80

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Solution

The fourth proportional to 336,904.52, 505,287.18 and 126,537.80 is: 189,780.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,904.52 : 505,287.18 = 126,537.80 : x
  2. Step 2: Convert to fraction form
    336,904.52/505,287.18 = 126,537.80/x
  3. Step 3: Cross multiply
    336,904.52x = 505,287.18 × 126,537.80
  4. Step 4: Simplify right side
    336,904.52x = 63,937,928,125.40
  5. Step 5: Solve for x
    x = 63,937,928,125.40/336,904.52
  6. Step 6: Final answer
    x = 189,780.56

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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.