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Finding the Fourth Proportional to 219,557.88, 302,989.77 and 118,955.88

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Solution

The fourth proportional to 219,557.88, 302,989.77 and 118,955.88 is: 164,159.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,557.88 : 302,989.77 = 118,955.88 : x
  2. Step 2: Convert to fraction form
    219,557.88/302,989.77 = 118,955.88/x
  3. Step 3: Cross multiply
    219,557.88x = 302,989.77 × 118,955.88
  4. Step 4: Simplify right side
    219,557.88x = 36,042,414,721.35
  5. Step 5: Solve for x
    x = 36,042,414,721.35/219,557.88
  6. Step 6: Final answer
    x = 164,159.06

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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.