Home / 304,113.35-419,584.25-212,230.19

Finding the Fourth Proportional to 304,113.35, 419,584.25 and 212,230.19

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Solution

The fourth proportional to 304,113.35, 419,584.25 and 212,230.19 is: 292,813.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,113.35 : 419,584.25 = 212,230.19 : x
  2. Step 2: Convert to fraction form
    304,113.35/419,584.25 = 212,230.19/x
  3. Step 3: Cross multiply
    304,113.35x = 419,584.25 × 212,230.19
  4. Step 4: Simplify right side
    304,113.35x = 89,048,446,678.04
  5. Step 5: Solve for x
    x = 89,048,446,678.04/304,113.35
  6. Step 6: Final answer
    x = 292,813.34

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1.5x scale

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.