Home / 292,439.96-403,563.66-165,120.92

Finding the Fourth Proportional to 292,439.96, 403,563.66 and 165,120.92

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Solution

The fourth proportional to 292,439.96, 403,563.66 and 165,120.92 is: 227,864.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,439.96 : 403,563.66 = 165,120.92 : x
  2. Step 2: Convert to fraction form
    292,439.96/403,563.66 = 165,120.92/x
  3. Step 3: Cross multiply
    292,439.96x = 403,563.66 × 165,120.92
  4. Step 4: Simplify right side
    292,439.96x = 66,636,802,817.77
  5. Step 5: Solve for x
    x = 66,636,802,817.77/292,439.96
  6. Step 6: Final answer
    x = 227,864.90

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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.