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Finding the Fourth Proportional to 219,508.08, 328,916.16 and 169,710

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Solution

The fourth proportional to 219,508.08, 328,916.16 and 169,710 is: 254,297.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,508.08 : 328,916.16 = 169,710 : x
  2. Step 2: Convert to fraction form
    219,508.08/328,916.16 = 169,710/x
  3. Step 3: Cross multiply
    219,508.08x = 328,916.16 × 169,710
  4. Step 4: Simplify right side
    219,508.08x = 55,820,361,513.60
  5. Step 5: Solve for x
    x = 55,820,361,513.60/219,508.08
  6. Step 6: Final answer
    x = 254,297.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.