Home / 718,181.92-1,076,941.67-212,562.10

Finding the Fourth Proportional to 718,181.92, 1,076,941.67 and 212,562.10

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Solution

The fourth proportional to 718,181.92, 1,076,941.67 and 212,562.10 is: 318,745.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,181.92 : 1,076,941.67 = 212,562.10 : x
  2. Step 2: Convert to fraction form
    718,181.92/1,076,941.67 = 212,562.10/x
  3. Step 3: Cross multiply
    718,181.92x = 1,076,941.67 × 212,562.10
  4. Step 4: Simplify right side
    718,181.92x = 228,916,976,505.19
  5. Step 5: Solve for x
    x = 228,916,976,505.19/718,181.92
  6. Step 6: Final answer
    x = 318,745.11

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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.