Home / 380,872.32-525,591.36-229,943.04

Finding the Fourth Proportional to 380,872.32, 525,591.36 and 229,943.04

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Solution

The fourth proportional to 380,872.32, 525,591.36 and 229,943.04 is: 317,313.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,872.32 : 525,591.36 = 229,943.04 : x
  2. Step 2: Convert to fraction form
    380,872.32/525,591.36 = 229,943.04/x
  3. Step 3: Cross multiply
    380,872.32x = 525,591.36 × 229,943.04
  4. Step 4: Simplify right side
    380,872.32x = 120,856,075,116.13
  5. Step 5: Solve for x
    x = 120,856,075,116.13/380,872.32
  6. Step 6: Final answer
    x = 317,313.88

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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.