Home / 483,320.27-666,981.71-268,480.33

Finding the Fourth Proportional to 483,320.27, 666,981.71 and 268,480.33

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Solution

The fourth proportional to 483,320.27, 666,981.71 and 268,480.33 is: 370,502.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,320.27 : 666,981.71 = 268,480.33 : x
  2. Step 2: Convert to fraction form
    483,320.27/666,981.71 = 268,480.33/x
  3. Step 3: Cross multiply
    483,320.27x = 666,981.71 × 268,480.33
  4. Step 4: Simplify right side
    483,320.27x = 179,071,467,601.71
  5. Step 5: Solve for x
    x = 179,071,467,601.71/483,320.27
  6. Step 6: Final answer
    x = 370,502.70

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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.