Home / 455,233.40-682,785.30-155,727.80

Finding the Fourth Proportional to 455,233.40, 682,785.30 and 155,727.80

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Solution

The fourth proportional to 455,233.40, 682,785.30 and 155,727.80 is: 233,569.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,233.40 : 682,785.30 = 155,727.80 : x
  2. Step 2: Convert to fraction form
    455,233.40/682,785.30 = 155,727.80/x
  3. Step 3: Cross multiply
    455,233.40x = 682,785.30 × 155,727.80
  4. Step 4: Simplify right side
    455,233.40x = 106,328,652,641.34
  5. Step 5: Solve for x
    x = 106,328,652,641.34/455,233.40
  6. Step 6: Final answer
    x = 233,569.53

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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.