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Finding the Fourth Proportional to 221,833.66, 332,972.43 and 103,588.24

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Solution

The fourth proportional to 221,833.66, 332,972.43 and 103,588.24 is: 155,486.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,833.66 : 332,972.43 = 103,588.24 : x
  2. Step 2: Convert to fraction form
    221,833.66/332,972.43 = 103,588.24/x
  3. Step 3: Cross multiply
    221,833.66x = 332,972.43 × 103,588.24
  4. Step 4: Simplify right side
    221,833.66x = 34,492,027,992.22
  5. Step 5: Solve for x
    x = 34,492,027,992.22/221,833.66
  6. Step 6: Final answer
    x = 155,486.00

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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.