Home / 355,275.32-531,958.01-270,632.25

Finding the Fourth Proportional to 355,275.32, 531,958.01 and 270,632.25

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Solution

The fourth proportional to 355,275.32, 531,958.01 and 270,632.25 is: 405,220.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,275.32 : 531,958.01 = 270,632.25 : x
  2. Step 2: Convert to fraction form
    355,275.32/531,958.01 = 270,632.25/x
  3. Step 3: Cross multiply
    355,275.32x = 531,958.01 × 270,632.25
  4. Step 4: Simplify right side
    355,275.32x = 143,964,991,798.66
  5. Step 5: Solve for x
    x = 143,964,991,798.66/355,275.32
  6. Step 6: Final answer
    x = 405,220.93

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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.