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Finding the Fourth Proportional to 219,969.92, 328,590.19 and 159,518.54

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Solution

The fourth proportional to 219,969.92, 328,590.19 and 159,518.54 is: 238,288.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,969.92 : 328,590.19 = 159,518.54 : x
  2. Step 2: Convert to fraction form
    219,969.92/328,590.19 = 159,518.54/x
  3. Step 3: Cross multiply
    219,969.92x = 328,590.19 × 159,518.54
  4. Step 4: Simplify right side
    219,969.92x = 52,416,227,367.12
  5. Step 5: Solve for x
    x = 52,416,227,367.12/219,969.92
  6. Step 6: Final answer
    x = 238,288.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.