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Finding the Fourth Proportional to 219,001.88, 302,223 and 118,399.88

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Solution

The fourth proportional to 219,001.88, 302,223 and 118,399.88 is: 163,392.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,001.88 : 302,223 = 118,399.88 : x
  2. Step 2: Convert to fraction form
    219,001.88/302,223 = 118,399.88/x
  3. Step 3: Cross multiply
    219,001.88x = 302,223 × 118,399.88
  4. Step 4: Simplify right side
    219,001.88x = 35,783,165,422.13
  5. Step 5: Solve for x
    x = 35,783,165,422.13/219,001.88
  6. Step 6: Final answer
    x = 163,392.05

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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.