Home / 211,265.22-316,898.55-53,493.60

Finding the Fourth Proportional to 211,265.22, 316,898.55 and 53,493.60

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Solution

The fourth proportional to 211,265.22, 316,898.55 and 53,493.60 is: 80,240.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,265.22 : 316,898.55 = 53,493.60 : x
  2. Step 2: Convert to fraction form
    211,265.22/316,898.55 = 53,493.60/x
  3. Step 3: Cross multiply
    211,265.22x = 316,898.55 × 53,493.60
  4. Step 4: Simplify right side
    211,265.22x = 16,952,044,274.28
  5. Step 5: Solve for x
    x = 16,952,044,274.28/211,265.22
  6. Step 6: Final answer
    x = 80,240.58

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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.