Home / 211,469.40-291,807.36-126,584.64

Finding the Fourth Proportional to 211,469.40, 291,807.36 and 126,584.64

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Solution

The fourth proportional to 211,469.40, 291,807.36 and 126,584.64 is: 174,674.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,469.40 : 291,807.36 = 126,584.64 : x
  2. Step 2: Convert to fraction form
    211,469.40/291,807.36 = 126,584.64/x
  3. Step 3: Cross multiply
    211,469.40x = 291,807.36 × 126,584.64
  4. Step 4: Simplify right side
    211,469.40x = 36,938,329,614.95
  5. Step 5: Solve for x
    x = 36,938,329,614.95/211,469.40
  6. Step 6: Final answer
    x = 174,674.58

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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.