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Finding the Fourth Proportional to 219,231.63, 302,539.59 and 118,629.63

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Solution

The fourth proportional to 219,231.63, 302,539.59 and 118,629.63 is: 163,708.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,231.63 : 302,539.59 = 118,629.63 : x
  2. Step 2: Convert to fraction form
    219,231.63/302,539.59 = 118,629.63/x
  3. Step 3: Cross multiply
    219,231.63x = 302,539.59 × 118,629.63
  4. Step 4: Simplify right side
    219,231.63x = 35,890,159,622.05
  5. Step 5: Solve for x
    x = 35,890,159,622.05/219,231.63
  6. Step 6: Final answer
    x = 163,708.86

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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.