Home / 297,427.20-445,795.20-119,846.40

Finding the Fourth Proportional to 297,427.20, 445,795.20 and 119,846.40

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Solution

The fourth proportional to 297,427.20, 445,795.20 and 119,846.40 is: 179,630.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,427.20 : 445,795.20 = 119,846.40 : x
  2. Step 2: Convert to fraction form
    297,427.20/445,795.20 = 119,846.40/x
  3. Step 3: Cross multiply
    297,427.20x = 445,795.20 × 119,846.40
  4. Step 4: Simplify right side
    297,427.20x = 53,426,949,857.28
  5. Step 5: Solve for x
    x = 53,426,949,857.28/297,427.20
  6. Step 6: Final answer
    x = 179,630.34

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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.