Home / 336,884.20-505,032.54-126,465.64

Finding the Fourth Proportional to 336,884.20, 505,032.54 and 126,465.64

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Solution

The fourth proportional to 336,884.20, 505,032.54 and 126,465.64 is: 189,588.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,884.20 : 505,032.54 = 126,465.64 : x
  2. Step 2: Convert to fraction form
    336,884.20/505,032.54 = 126,465.64/x
  3. Step 3: Cross multiply
    336,884.20x = 505,032.54 × 126,465.64
  4. Step 4: Simplify right side
    336,884.20x = 63,869,263,391.93
  5. Step 5: Solve for x
    x = 63,869,263,391.93/336,884.20
  6. Step 6: Final answer
    x = 189,588.18

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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.