Home / 407,427.38-562,239.03-226,138.84

Finding the Fourth Proportional to 407,427.38, 562,239.03 and 226,138.84

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Solution

The fourth proportional to 407,427.38, 562,239.03 and 226,138.84 is: 312,065.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,427.38 : 562,239.03 = 226,138.84 : x
  2. Step 2: Convert to fraction form
    407,427.38/562,239.03 = 226,138.84/x
  3. Step 3: Cross multiply
    407,427.38x = 562,239.03 × 226,138.84
  4. Step 4: Simplify right side
    407,427.38x = 127,144,082,046.93
  5. Step 5: Solve for x
    x = 127,144,082,046.93/407,427.38
  6. Step 6: Final answer
    x = 312,065.63

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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.