Home / 307,637.40-461,456.10-82,997.40

Finding the Fourth Proportional to 307,637.40, 461,456.10 and 82,997.40

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Solution

The fourth proportional to 307,637.40, 461,456.10 and 82,997.40 is: 124,496.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,637.40 : 461,456.10 = 82,997.40 : x
  2. Step 2: Convert to fraction form
    307,637.40/461,456.10 = 82,997.40/x
  3. Step 3: Cross multiply
    307,637.40x = 461,456.10 × 82,997.40
  4. Step 4: Simplify right side
    307,637.40x = 38,299,656,514.14
  5. Step 5: Solve for x
    x = 38,299,656,514.14/307,637.40
  6. Step 6: Final answer
    x = 124,496.10

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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.