Home / 297,006.20-445,509.30-155,288.60

Finding the Fourth Proportional to 297,006.20, 445,509.30 and 155,288.60

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Solution

The fourth proportional to 297,006.20, 445,509.30 and 155,288.60 is: 232,932.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,006.20 : 445,509.30 = 155,288.60 : x
  2. Step 2: Convert to fraction form
    297,006.20/445,509.30 = 155,288.60/x
  3. Step 3: Cross multiply
    297,006.20x = 445,509.30 × 155,288.60
  4. Step 4: Simplify right side
    297,006.20x = 69,182,515,483.98
  5. Step 5: Solve for x
    x = 69,182,515,483.98/297,006.20
  6. Step 6: Final answer
    x = 232,932.90

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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.