Home / 297,272.22-445,907.10-107,688.20

Finding the Fourth Proportional to 297,272.22, 445,907.10 and 107,688.20

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Solution

The fourth proportional to 297,272.22, 445,907.10 and 107,688.20 is: 161,531.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,272.22 : 445,907.10 = 107,688.20 : x
  2. Step 2: Convert to fraction form
    297,272.22/445,907.10 = 107,688.20/x
  3. Step 3: Cross multiply
    297,272.22x = 445,907.10 × 107,688.20
  4. Step 4: Simplify right side
    297,272.22x = 48,018,932,966.22
  5. Step 5: Solve for x
    x = 48,018,932,966.22/297,272.22
  6. Step 6: Final answer
    x = 161,531.85

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1.5x scale

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.