Home / 458,126.46-632,185.74-276,731.10

Finding the Fourth Proportional to 458,126.46, 632,185.74 and 276,731.10

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Solution

The fourth proportional to 458,126.46, 632,185.74 and 276,731.10 is: 381,871.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,126.46 : 632,185.74 = 276,731.10 : x
  2. Step 2: Convert to fraction form
    458,126.46/632,185.74 = 276,731.10/x
  3. Step 3: Cross multiply
    458,126.46x = 632,185.74 × 276,731.10
  4. Step 4: Simplify right side
    458,126.46x = 174,945,455,234.51
  5. Step 5: Solve for x
    x = 174,945,455,234.51/458,126.46
  6. Step 6: Final answer
    x = 381,871.54

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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.