Home / 437,240.50-655,860.75-121,705.62

Finding the Fourth Proportional to 437,240.50, 655,860.75 and 121,705.62

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Solution

The fourth proportional to 437,240.50, 655,860.75 and 121,705.62 is: 182,558.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,240.50 : 655,860.75 = 121,705.62 : x
  2. Step 2: Convert to fraction form
    437,240.50/655,860.75 = 121,705.62/x
  3. Step 3: Cross multiply
    437,240.50x = 655,860.75 × 121,705.62
  4. Step 4: Simplify right side
    437,240.50x = 79,821,939,212.42
  5. Step 5: Solve for x
    x = 79,821,939,212.42/437,240.50
  6. Step 6: Final answer
    x = 182,558.43

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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.