Home / 380,918.12-571,497.92-229,281.28

Finding the Fourth Proportional to 380,918.12, 571,497.92 and 229,281.28

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Solution

The fourth proportional to 380,918.12, 571,497.92 and 229,281.28 is: 343,994.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,918.12 : 571,497.92 = 229,281.28 : x
  2. Step 2: Convert to fraction form
    380,918.12/571,497.92 = 229,281.28/x
  3. Step 3: Cross multiply
    380,918.12x = 571,497.92 × 229,281.28
  4. Step 4: Simplify right side
    380,918.12x = 131,033,774,614.94
  5. Step 5: Solve for x
    x = 131,033,774,614.94/380,918.12
  6. Step 6: Final answer
    x = 343,994.60

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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.