Home / 651,964.85-977,936.88-178,650.21

Finding the Fourth Proportional to 651,964.85, 977,936.88 and 178,650.21

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Solution

The fourth proportional to 651,964.85, 977,936.88 and 178,650.21 is: 267,972.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,964.85 : 977,936.88 = 178,650.21 : x
  2. Step 2: Convert to fraction form
    651,964.85/977,936.88 = 178,650.21/x
  3. Step 3: Cross multiply
    651,964.85x = 977,936.88 × 178,650.21
  4. Step 4: Simplify right side
    651,964.85x = 174,708,628,085.49
  5. Step 5: Solve for x
    x = 174,708,628,085.49/651,964.85
  6. Step 6: Final answer
    x = 267,972.47

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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.