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Finding the Fourth Proportional to 219,519.64, 302,937.06 and 118,917.64

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Solution

The fourth proportional to 219,519.64, 302,937.06 and 118,917.64 is: 164,106.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,519.64 : 302,937.06 = 118,917.64 : x
  2. Step 2: Convert to fraction form
    219,519.64/302,937.06 = 118,917.64/x
  3. Step 3: Cross multiply
    219,519.64x = 302,937.06 × 118,917.64
  4. Step 4: Simplify right side
    219,519.64x = 36,024,560,243.74
  5. Step 5: Solve for x
    x = 36,024,560,243.74/219,519.64
  6. Step 6: Final answer
    x = 164,106.32

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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.