Home / 485,933.45-670,583.59-268,144.13

Finding the Fourth Proportional to 485,933.45, 670,583.59 and 268,144.13

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Solution

The fourth proportional to 485,933.45, 670,583.59 and 268,144.13 is: 370,036.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,933.45 : 670,583.59 = 268,144.13 : x
  2. Step 2: Convert to fraction form
    485,933.45/670,583.59 = 268,144.13/x
  3. Step 3: Cross multiply
    485,933.45x = 670,583.59 × 268,144.13
  4. Step 4: Simplify right side
    485,933.45x = 179,813,053,332.83
  5. Step 5: Solve for x
    x = 179,813,053,332.83/485,933.45
  6. Step 6: Final answer
    x = 370,036.38

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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.