Home / 395,166.24-545,333.76-225,410.40

Finding the Fourth Proportional to 395,166.24, 545,333.76 and 225,410.40

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Solution

The fourth proportional to 395,166.24, 545,333.76 and 225,410.40 is: 311,068.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,166.24 : 545,333.76 = 225,410.40 : x
  2. Step 2: Convert to fraction form
    395,166.24/545,333.76 = 225,410.40/x
  3. Step 3: Cross multiply
    395,166.24x = 545,333.76 × 225,410.40
  4. Step 4: Simplify right side
    395,166.24x = 122,923,900,975.10
  5. Step 5: Solve for x
    x = 122,923,900,975.10/395,166.24
  6. Step 6: Final answer
    x = 311,068.83

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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.