Home / 486,185.98-670,973.83-268,436.64

Finding the Fourth Proportional to 486,185.98, 670,973.83 and 268,436.64

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Solution

The fourth proportional to 486,185.98, 670,973.83 and 268,436.64 is: 370,463.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,185.98 : 670,973.83 = 268,436.64 : x
  2. Step 2: Convert to fraction form
    486,185.98/670,973.83 = 268,436.64/x
  3. Step 3: Cross multiply
    486,185.98x = 670,973.83 × 268,436.64
  4. Step 4: Simplify right side
    486,185.98x = 180,113,960,453.13
  5. Step 5: Solve for x
    x = 180,113,960,453.13/486,185.98
  6. Step 6: Final answer
    x = 370,463.09

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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.