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Finding the Fourth Proportional to 221,880.09, 306,005.88 and 187,592.01

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Solution

The fourth proportional to 221,880.09, 306,005.88 and 187,592.01 is: 258,717.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,880.09 : 306,005.88 = 187,592.01 : x
  2. Step 2: Convert to fraction form
    221,880.09/306,005.88 = 187,592.01/x
  3. Step 3: Cross multiply
    221,880.09x = 306,005.88 × 187,592.01
  4. Step 4: Simplify right side
    221,880.09x = 57,404,258,101.02
  5. Step 5: Solve for x
    x = 57,404,258,101.02/221,880.09
  6. Step 6: Final answer
    x = 258,717.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.