Home / 320,018.42-480,195.30-207,672.24

Finding the Fourth Proportional to 320,018.42, 480,195.30 and 207,672.24

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Solution

The fourth proportional to 320,018.42, 480,195.30 and 207,672.24 is: 311,617.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,018.42 : 480,195.30 = 207,672.24 : x
  2. Step 2: Convert to fraction form
    320,018.42/480,195.30 = 207,672.24/x
  3. Step 3: Cross multiply
    320,018.42x = 480,195.30 × 207,672.24
  4. Step 4: Simplify right side
    320,018.42x = 99,723,233,588.47
  5. Step 5: Solve for x
    x = 99,723,233,588.47/320,018.42
  6. Step 6: Final answer
    x = 311,617.17

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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.