Home / 318,150.46-439,001.91-187,250.27

Finding the Fourth Proportional to 318,150.46, 439,001.91 and 187,250.27

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Solution

The fourth proportional to 318,150.46, 439,001.91 and 187,250.27 is: 258,378.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,150.46 : 439,001.91 = 187,250.27 : x
  2. Step 2: Convert to fraction form
    318,150.46/439,001.91 = 187,250.27/x
  3. Step 3: Cross multiply
    318,150.46x = 439,001.91 × 187,250.27
  4. Step 4: Simplify right side
    318,150.46x = 82,203,226,178.02
  5. Step 5: Solve for x
    x = 82,203,226,178.02/318,150.46
  6. Step 6: Final answer
    x = 258,378.46

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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.