Home / 486,127.59-670,856.11-268,336.31

Finding the Fourth Proportional to 486,127.59, 670,856.11 and 268,336.31

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Solution

The fourth proportional to 486,127.59, 670,856.11 and 268,336.31 is: 370,304.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,127.59 : 670,856.11 = 268,336.31 : x
  2. Step 2: Convert to fraction form
    486,127.59/670,856.11 = 268,336.31/x
  3. Step 3: Cross multiply
    486,127.59x = 670,856.11 × 268,336.31
  4. Step 4: Simplify right side
    486,127.59x = 180,015,051,756.67
  5. Step 5: Solve for x
    x = 180,015,051,756.67/486,127.59
  6. Step 6: Final answer
    x = 370,304.13

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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.