Home / 345,087.29-476,097.21-199,813.79

Finding the Fourth Proportional to 345,087.29, 476,097.21 and 199,813.79

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Solution

The fourth proportional to 345,087.29, 476,097.21 and 199,813.79 is: 275,671.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,087.29 : 476,097.21 = 199,813.79 : x
  2. Step 2: Convert to fraction form
    345,087.29/476,097.21 = 199,813.79/x
  3. Step 3: Cross multiply
    345,087.29x = 476,097.21 × 199,813.79
  4. Step 4: Simplify right side
    345,087.29x = 95,130,787,938.53
  5. Step 5: Solve for x
    x = 95,130,787,938.53/345,087.29
  6. Step 6: Final answer
    x = 275,671.67

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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.