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Finding the Fourth Proportional to 219,480.33, 302,880.96 and 118,878.33

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Solution

The fourth proportional to 219,480.33, 302,880.96 and 118,878.33 is: 164,051.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,480.33 : 302,880.96 = 118,878.33 : x
  2. Step 2: Convert to fraction form
    219,480.33/302,880.96 = 118,878.33/x
  3. Step 3: Cross multiply
    219,480.33x = 302,880.96 × 118,878.33
  4. Step 4: Simplify right side
    219,480.33x = 36,005,982,713.60
  5. Step 5: Solve for x
    x = 36,005,982,713.60/219,480.33
  6. Step 6: Final answer
    x = 164,051.07

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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.