Home / 309,233.43-463,412.75-131,561.55

Finding the Fourth Proportional to 309,233.43, 463,412.75 and 131,561.55

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Solution

The fourth proportional to 309,233.43, 463,412.75 and 131,561.55 is: 197,156.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,233.43 : 463,412.75 = 131,561.55 : x
  2. Step 2: Convert to fraction form
    309,233.43/463,412.75 = 131,561.55/x
  3. Step 3: Cross multiply
    309,233.43x = 463,412.75 × 131,561.55
  4. Step 4: Simplify right side
    309,233.43x = 60,967,299,021.95
  5. Step 5: Solve for x
    x = 60,967,299,021.95/309,233.43
  6. Step 6: Final answer
    x = 197,156.24

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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.