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Finding the Fourth Proportional to 219,510.08, 328,919.16 and 169,712

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Solution

The fourth proportional to 219,510.08, 328,919.16 and 169,712 is: 254,300.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,510.08 : 328,919.16 = 169,712 : x
  2. Step 2: Convert to fraction form
    219,510.08/328,919.16 = 169,712/x
  3. Step 3: Cross multiply
    219,510.08x = 328,919.16 × 169,712
  4. Step 4: Simplify right side
    219,510.08x = 55,821,528,481.92
  5. Step 5: Solve for x
    x = 55,821,528,481.92/219,510.08
  6. Step 6: Final answer
    x = 254,300.52

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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.