Home / 486,127.33-670,855.75-268,336.05

Finding the Fourth Proportional to 486,127.33, 670,855.75 and 268,336.05

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Solution

The fourth proportional to 486,127.33, 670,855.75 and 268,336.05 is: 370,303.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,127.33 : 670,855.75 = 268,336.05 : x
  2. Step 2: Convert to fraction form
    486,127.33/670,855.75 = 268,336.05/x
  3. Step 3: Cross multiply
    486,127.33x = 670,855.75 × 268,336.05
  4. Step 4: Simplify right side
    486,127.33x = 180,014,780,733.11
  5. Step 5: Solve for x
    x = 180,014,780,733.11/486,127.33
  6. Step 6: Final answer
    x = 370,303.77

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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.