Home / 346,857.98-520,284.27-178,425.50

Finding the Fourth Proportional to 346,857.98, 520,284.27 and 178,425.50

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Solution

The fourth proportional to 346,857.98, 520,284.27 and 178,425.50 is: 267,636.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,857.98 : 520,284.27 = 178,425.50 : x
  2. Step 2: Convert to fraction form
    346,857.98/520,284.27 = 178,425.50/x
  3. Step 3: Cross multiply
    346,857.98x = 520,284.27 × 178,425.50
  4. Step 4: Simplify right side
    346,857.98x = 92,831,981,016.89
  5. Step 5: Solve for x
    x = 92,831,981,016.89/346,857.98
  6. Step 6: Final answer
    x = 267,636.86

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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.