Home / 254,840.96-381,429.45-187,355.18

Finding the Fourth Proportional to 254,840.96, 381,429.45 and 187,355.18

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Solution

The fourth proportional to 254,840.96, 381,429.45 and 187,355.18 is: 280,421.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,840.96 : 381,429.45 = 187,355.18 : x
  2. Step 2: Convert to fraction form
    254,840.96/381,429.45 = 187,355.18/x
  3. Step 3: Cross multiply
    254,840.96x = 381,429.45 × 187,355.18
  4. Step 4: Simplify right side
    254,840.96x = 71,462,783,262.05
  5. Step 5: Solve for x
    x = 71,462,783,262.05/254,840.96
  6. Step 6: Final answer
    x = 280,421.10

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1.5x scale

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.