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Finding the Fourth Proportional to 219,479, 302,881.08 and 118,877

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Solution

The fourth proportional to 219,479, 302,881.08 and 118,877 is: 164,050.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,479 : 302,881.08 = 118,877 : x
  2. Step 2: Convert to fraction form
    219,479/302,881.08 = 118,877/x
  3. Step 3: Cross multiply
    219,479x = 302,881.08 × 118,877
  4. Step 4: Simplify right side
    219,479x = 36,005,594,147.16
  5. Step 5: Solve for x
    x = 36,005,594,147.16/219,479
  6. Step 6: Final answer
    x = 164,050.29

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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.