Home / 384,739.62-530,942.34-210,313.38

Finding the Fourth Proportional to 384,739.62, 530,942.34 and 210,313.38

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Solution

The fourth proportional to 384,739.62, 530,942.34 and 210,313.38 is: 290,233.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,739.62 : 530,942.34 = 210,313.38 : x
  2. Step 2: Convert to fraction form
    384,739.62/530,942.34 = 210,313.38/x
  3. Step 3: Cross multiply
    384,739.62x = 530,942.34 × 210,313.38
  4. Step 4: Simplify right side
    384,739.62x = 111,664,278,110.51
  5. Step 5: Solve for x
    x = 111,664,278,110.51/384,739.62
  6. Step 6: Final answer
    x = 290,233.37

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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.