Home / 351,111.46-484,771.33-230,457.86

Finding the Fourth Proportional to 351,111.46, 484,771.33 and 230,457.86

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Solution

The fourth proportional to 351,111.46, 484,771.33 and 230,457.86 is: 318,187.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,111.46 : 484,771.33 = 230,457.86 : x
  2. Step 2: Convert to fraction form
    351,111.46/484,771.33 = 230,457.86/x
  3. Step 3: Cross multiply
    351,111.46x = 484,771.33 × 230,457.86
  4. Step 4: Simplify right side
    351,111.46x = 111,719,362,983.26
  5. Step 5: Solve for x
    x = 111,719,362,983.26/351,111.46
  6. Step 6: Final answer
    x = 318,187.74

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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.