Home / 486,631.82-730,209.17-202,518.25

Finding the Fourth Proportional to 486,631.82, 730,209.17 and 202,518.25

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Solution

The fourth proportional to 486,631.82, 730,209.17 and 202,518.25 is: 303,886.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,631.82 : 730,209.17 = 202,518.25 : x
  2. Step 2: Convert to fraction form
    486,631.82/730,209.17 = 202,518.25/x
  3. Step 3: Cross multiply
    486,631.82x = 730,209.17 × 202,518.25
  4. Step 4: Simplify right side
    486,631.82x = 147,880,680,404.24
  5. Step 5: Solve for x
    x = 147,880,680,404.24/486,631.82
  6. Step 6: Final answer
    x = 303,886.17

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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.