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Finding the Fourth Proportional to 636,480.06, 954,648.81 and 163,176.54

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Solution

The fourth proportional to 636,480.06, 954,648.81 and 163,176.54 is: 244,746.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,480.06 : 954,648.81 = 163,176.54 : x
  2. Step 2: Convert to fraction form
    636,480.06/954,648.81 = 163,176.54/x
  3. Step 3: Cross multiply
    636,480.06x = 954,648.81 × 163,176.54
  4. Step 4: Simplify right side
    636,480.06x = 155,776,289,730.92
  5. Step 5: Solve for x
    x = 155,776,289,730.92/636,480.06
  6. Step 6: Final answer
    x = 244,746.54

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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.