Home / 407,205.08-562,010.46-225,975.22

Finding the Fourth Proportional to 407,205.08, 562,010.46 and 225,975.22

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Solution

The fourth proportional to 407,205.08, 562,010.46 and 225,975.22 is: 311,883.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,205.08 : 562,010.46 = 225,975.22 : x
  2. Step 2: Convert to fraction form
    407,205.08/562,010.46 = 225,975.22/x
  3. Step 3: Cross multiply
    407,205.08x = 562,010.46 × 225,975.22
  4. Step 4: Simplify right side
    407,205.08x = 127,000,437,340.80
  5. Step 5: Solve for x
    x = 127,000,437,340.80/407,205.08
  6. Step 6: Final answer
    x = 311,883.23

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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.