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Finding the Fourth Proportional to 219,020.01, 302,247.63 and 118,418.01

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Solution

The fourth proportional to 219,020.01, 302,247.63 and 118,418.01 is: 163,416.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,020.01 : 302,247.63 = 118,418.01 : x
  2. Step 2: Convert to fraction form
    219,020.01/302,247.63 = 118,418.01/x
  3. Step 3: Cross multiply
    219,020.01x = 302,247.63 × 118,418.01
  4. Step 4: Simplify right side
    219,020.01x = 35,791,562,871.82
  5. Step 5: Solve for x
    x = 35,791,562,871.82/219,020.01
  6. Step 6: Final answer
    x = 163,416.86

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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.