Home / 291,137.02-436,445.80-113,602.73

Finding the Fourth Proportional to 291,137.02, 436,445.80 and 113,602.73

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Solution

The fourth proportional to 291,137.02, 436,445.80 and 113,602.73 is: 170,302.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,137.02 : 436,445.80 = 113,602.73 : x
  2. Step 2: Convert to fraction form
    291,137.02/436,445.80 = 113,602.73/x
  3. Step 3: Cross multiply
    291,137.02x = 436,445.80 × 113,602.73
  4. Step 4: Simplify right side
    291,137.02x = 49,581,431,910.80
  5. Step 5: Solve for x
    x = 49,581,431,910.80/291,137.02
  6. Step 6: Final answer
    x = 170,302.74

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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.