Home / 297,927.40-446,891.10-191,639.20

Finding the Fourth Proportional to 297,927.40, 446,891.10 and 191,639.20

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Solution

The fourth proportional to 297,927.40, 446,891.10 and 191,639.20 is: 287,458.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,927.40 : 446,891.10 = 191,639.20 : x
  2. Step 2: Convert to fraction form
    297,927.40/446,891.10 = 191,639.20/x
  3. Step 3: Cross multiply
    297,927.40x = 446,891.10 × 191,639.20
  4. Step 4: Simplify right side
    297,927.40x = 85,641,852,891.12
  5. Step 5: Solve for x
    x = 85,641,852,891.12/297,927.40
  6. Step 6: Final answer
    x = 287,458.80

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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.