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Finding the Fourth Proportional to 219,330.32, 302,676.75 and 118,728.32

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Solution

The fourth proportional to 219,330.32, 302,676.75 and 118,728.32 is: 163,845.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,330.32 : 302,676.75 = 118,728.32 : x
  2. Step 2: Convert to fraction form
    219,330.32/302,676.75 = 118,728.32/x
  3. Step 3: Cross multiply
    219,330.32x = 302,676.75 × 118,728.32
  4. Step 4: Simplify right side
    219,330.32x = 35,936,300,517.18
  5. Step 5: Solve for x
    x = 35,936,300,517.18/219,330.32
  6. Step 6: Final answer
    x = 163,845.57

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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.