Home / 209,579.40-313,808.18-182,799.59

Finding the Fourth Proportional to 209,579.40, 313,808.18 and 182,799.59

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Solution

The fourth proportional to 209,579.40, 313,808.18 and 182,799.59 is: 273,710.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,579.40 : 313,808.18 = 182,799.59 : x
  2. Step 2: Convert to fraction form
    209,579.40/313,808.18 = 182,799.59/x
  3. Step 3: Cross multiply
    209,579.40x = 313,808.18 × 182,799.59
  4. Step 4: Simplify right side
    209,579.40x = 57,364,004,159.61
  5. Step 5: Solve for x
    x = 57,364,004,159.61/209,579.40
  6. Step 6: Final answer
    x = 273,710.13

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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.