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Finding the Fourth Proportional to 219,557.82, 302,990.19 and 118,955.82

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Solution

The fourth proportional to 219,557.82, 302,990.19 and 118,955.82 is: 164,159.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,557.82 : 302,990.19 = 118,955.82 : x
  2. Step 2: Convert to fraction form
    219,557.82/302,990.19 = 118,955.82/x
  3. Step 3: Cross multiply
    219,557.82x = 302,990.19 × 118,955.82
  4. Step 4: Simplify right side
    219,557.82x = 36,042,446,503.41
  5. Step 5: Solve for x
    x = 36,042,446,503.41/219,557.82
  6. Step 6: Final answer
    x = 164,159.25

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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.