Home / 320,824.12-481,218.58-110,457.40

Finding the Fourth Proportional to 320,824.12, 481,218.58 and 110,457.40

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Solution

The fourth proportional to 320,824.12, 481,218.58 and 110,457.40 is: 165,680.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,824.12 : 481,218.58 = 110,457.40 : x
  2. Step 2: Convert to fraction form
    320,824.12/481,218.58 = 110,457.40/x
  3. Step 3: Cross multiply
    320,824.12x = 481,218.58 × 110,457.40
  4. Step 4: Simplify right side
    320,824.12x = 53,154,153,178.49
  5. Step 5: Solve for x
    x = 53,154,153,178.49/320,824.12
  6. Step 6: Final answer
    x = 165,680.04

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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.