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Finding the Fourth Proportional to 219,727.80, 329,073.30 and 149,225.40

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Solution

The fourth proportional to 219,727.80, 329,073.30 and 149,225.40 is: 223,486.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,727.80 : 329,073.30 = 149,225.40 : x
  2. Step 2: Convert to fraction form
    219,727.80/329,073.30 = 149,225.40/x
  3. Step 3: Cross multiply
    219,727.80x = 329,073.30 × 149,225.40
  4. Step 4: Simplify right side
    219,727.80x = 49,106,094,821.82
  5. Step 5: Solve for x
    x = 49,106,094,821.82/219,727.80
  6. Step 6: Final answer
    x = 223,486.04

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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.