Home / 283,327.22-390,872.26-187,667.84

Finding the Fourth Proportional to 283,327.22, 390,872.26 and 187,667.84

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Solution

The fourth proportional to 283,327.22, 390,872.26 and 187,667.84 is: 258,902.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,327.22 : 390,872.26 = 187,667.84 : x
  2. Step 2: Convert to fraction form
    283,327.22/390,872.26 = 187,667.84/x
  3. Step 3: Cross multiply
    283,327.22x = 390,872.26 × 187,667.84
  4. Step 4: Simplify right side
    283,327.22x = 73,354,151,235.41
  5. Step 5: Solve for x
    x = 73,354,151,235.41/283,327.22
  6. Step 6: Final answer
    x = 258,902.59

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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.