Home / 380,660.37-525,272.81-227,668.17

Finding the Fourth Proportional to 380,660.37, 525,272.81 and 227,668.17

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Solution

The fourth proportional to 380,660.37, 525,272.81 and 227,668.17 is: 314,159.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,660.37 : 525,272.81 = 227,668.17 : x
  2. Step 2: Convert to fraction form
    380,660.37/525,272.81 = 227,668.17/x
  3. Step 3: Cross multiply
    380,660.37x = 525,272.81 × 227,668.17
  4. Step 4: Simplify right side
    380,660.37x = 119,587,899,403.46
  5. Step 5: Solve for x
    x = 119,587,899,403.46/380,660.37
  6. Step 6: Final answer
    x = 314,159.05

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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.