Home / 380,852.23-525,576.07-211,086.35

Finding the Fourth Proportional to 380,852.23, 525,576.07 and 211,086.35

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Solution

The fourth proportional to 380,852.23, 525,576.07 and 211,086.35 is: 291,299.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,852.23 : 525,576.07 = 211,086.35 : x
  2. Step 2: Convert to fraction form
    380,852.23/525,576.07 = 211,086.35/x
  3. Step 3: Cross multiply
    380,852.23x = 525,576.07 × 211,086.35
  4. Step 4: Simplify right side
    380,852.23x = 110,941,935,645.56
  5. Step 5: Solve for x
    x = 110,941,935,645.56/380,852.23
  6. Step 6: Final answer
    x = 291,299.17

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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.