Home / 320,824.35-442,707.21-191,737.29

Finding the Fourth Proportional to 320,824.35, 442,707.21 and 191,737.29

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Solution

The fourth proportional to 320,824.35, 442,707.21 and 191,737.29 is: 264,579.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,824.35 : 442,707.21 = 191,737.29 : x
  2. Step 2: Convert to fraction form
    320,824.35/442,707.21 = 191,737.29/x
  3. Step 3: Cross multiply
    320,824.35x = 442,707.21 × 191,737.29
  4. Step 4: Simplify right side
    320,824.35x = 84,883,480,708.86
  5. Step 5: Solve for x
    x = 84,883,480,708.86/320,824.35
  6. Step 6: Final answer
    x = 264,579.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.