Home / 454,927.40-682,326.30-155,421.80

Finding the Fourth Proportional to 454,927.40, 682,326.30 and 155,421.80

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Solution

The fourth proportional to 454,927.40, 682,326.30 and 155,421.80 is: 233,110.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,927.40 : 682,326.30 = 155,421.80 : x
  2. Step 2: Convert to fraction form
    454,927.40/682,326.30 = 155,421.80/x
  3. Step 3: Cross multiply
    454,927.40x = 682,326.30 × 155,421.80
  4. Step 4: Simplify right side
    454,927.40x = 106,048,381,733.34
  5. Step 5: Solve for x
    x = 106,048,381,733.34/454,927.40
  6. Step 6: Final answer
    x = 233,110.56

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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.