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Finding the Fourth Proportional to 219,921.86, 303,776.88 and 162,677.54

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Solution

The fourth proportional to 219,921.86, 303,776.88 and 162,677.54 is: 224,705.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,921.86 : 303,776.88 = 162,677.54 : x
  2. Step 2: Convert to fraction form
    219,921.86/303,776.88 = 162,677.54/x
  3. Step 3: Cross multiply
    219,921.86x = 303,776.88 × 162,677.54
  4. Step 4: Simplify right side
    219,921.86x = 49,417,675,547.28
  5. Step 5: Solve for x
    x = 49,417,675,547.28/219,921.86
  6. Step 6: Final answer
    x = 224,705.61

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1.5x scale

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.