Home / 221,048.40-331,572.60-73,285.20

Finding the Fourth Proportional to 221,048.40, 331,572.60 and 73,285.20

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Solution

The fourth proportional to 221,048.40, 331,572.60 and 73,285.20 is: 109,927.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,048.40 : 331,572.60 = 73,285.20 : x
  2. Step 2: Convert to fraction form
    221,048.40/331,572.60 = 73,285.20/x
  3. Step 3: Cross multiply
    221,048.40x = 331,572.60 × 73,285.20
  4. Step 4: Simplify right side
    221,048.40x = 24,299,364,305.52
  5. Step 5: Solve for x
    x = 24,299,364,305.52/221,048.40
  6. Step 6: Final answer
    x = 109,927.80

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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.