Home / 362,382.03-499,943.79-209,392.04

Finding the Fourth Proportional to 362,382.03, 499,943.79 and 209,392.04

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Solution

The fourth proportional to 362,382.03, 499,943.79 and 209,392.04 is: 288,878.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,382.03 : 499,943.79 = 209,392.04 : x
  2. Step 2: Convert to fraction form
    362,382.03/499,943.79 = 209,392.04/x
  3. Step 3: Cross multiply
    362,382.03x = 499,943.79 × 209,392.04
  4. Step 4: Simplify right side
    362,382.03x = 104,684,247,573.71
  5. Step 5: Solve for x
    x = 104,684,247,573.71/362,382.03
  6. Step 6: Final answer
    x = 288,878.14

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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.