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Finding the Fourth Proportional to 213,480.56, 294,600.92 and 117,987.50

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Solution

The fourth proportional to 213,480.56, 294,600.92 and 117,987.50 is: 162,821.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,480.56 : 294,600.92 = 117,987.50 : x
  2. Step 2: Convert to fraction form
    213,480.56/294,600.92 = 117,987.50/x
  3. Step 3: Cross multiply
    213,480.56x = 294,600.92 × 117,987.50
  4. Step 4: Simplify right side
    213,480.56x = 34,759,226,195.06
  5. Step 5: Solve for x
    x = 34,759,226,195.06/213,480.56
  6. Step 6: Final answer
    x = 162,821.50

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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.