Home / 455,231.90-682,783.05-155,726.30

Finding the Fourth Proportional to 455,231.90, 682,783.05 and 155,726.30

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Solution

The fourth proportional to 455,231.90, 682,783.05 and 155,726.30 is: 233,567.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,231.90 : 682,783.05 = 155,726.30 : x
  2. Step 2: Convert to fraction form
    455,231.90/682,783.05 = 155,726.30/x
  3. Step 3: Cross multiply
    455,231.90x = 682,783.05 × 155,726.30
  4. Step 4: Simplify right side
    455,231.90x = 106,327,278,079.22
  5. Step 5: Solve for x
    x = 106,327,278,079.22/455,231.90
  6. Step 6: Final answer
    x = 233,567.28

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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.