Home / 427,913.64-641,877.75-161,799.48

Finding the Fourth Proportional to 427,913.64, 641,877.75 and 161,799.48

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Solution

The fourth proportional to 427,913.64, 641,877.75 and 161,799.48 is: 242,701.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,913.64 : 641,877.75 = 161,799.48 : x
  2. Step 2: Convert to fraction form
    427,913.64/641,877.75 = 161,799.48/x
  3. Step 3: Cross multiply
    427,913.64x = 641,877.75 × 161,799.48
  4. Step 4: Simplify right side
    427,913.64x = 103,855,486,173.57
  5. Step 5: Solve for x
    x = 103,855,486,173.57/427,913.64
  6. Step 6: Final answer
    x = 242,701.98

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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.