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Finding the Fourth Proportional to 219,412.23, 302,788.86 and 118,810.23

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Solution

The fourth proportional to 219,412.23, 302,788.86 and 118,810.23 is: 163,958.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,412.23 : 302,788.86 = 118,810.23 : x
  2. Step 2: Convert to fraction form
    219,412.23/302,788.86 = 118,810.23/x
  3. Step 3: Cross multiply
    219,412.23x = 302,788.86 × 118,810.23
  4. Step 4: Simplify right side
    219,412.23x = 35,974,414,098.04
  5. Step 5: Solve for x
    x = 35,974,414,098.04/219,412.23
  6. Step 6: Final answer
    x = 163,958.11

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.