Home / 307,215.90-461,115.45-262,892.70

Finding the Fourth Proportional to 307,215.90, 461,115.45 and 262,892.70

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Solution

The fourth proportional to 307,215.90, 461,115.45 and 262,892.70 is: 394,588.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,215.90 : 461,115.45 = 262,892.70 : x
  2. Step 2: Convert to fraction form
    307,215.90/461,115.45 = 262,892.70/x
  3. Step 3: Cross multiply
    307,215.90x = 461,115.45 × 262,892.70
  4. Step 4: Simplify right side
    307,215.90x = 121,223,885,662.22
  5. Step 5: Solve for x
    x = 121,223,885,662.22/307,215.90
  6. Step 6: Final answer
    x = 394,588.58

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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.