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Finding the Fourth Proportional to 223,490.62, 333,130.57 and 205,554.48

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Solution

The fourth proportional to 223,490.62, 333,130.57 and 205,554.48 is: 306,395.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,490.62 : 333,130.57 = 205,554.48 : x
  2. Step 2: Convert to fraction form
    223,490.62/333,130.57 = 205,554.48/x
  3. Step 3: Cross multiply
    223,490.62x = 333,130.57 × 205,554.48
  4. Step 4: Simplify right side
    223,490.62x = 68,476,481,088.45
  5. Step 5: Solve for x
    x = 68,476,481,088.45/223,490.62
  6. Step 6: Final answer
    x = 306,395.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.