Home / 427,367.16-589,727.05-236,376.45

Finding the Fourth Proportional to 427,367.16, 589,727.05 and 236,376.45

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Solution

The fourth proportional to 427,367.16, 589,727.05 and 236,376.45 is: 326,177.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,367.16 : 589,727.05 = 236,376.45 : x
  2. Step 2: Convert to fraction form
    427,367.16/589,727.05 = 236,376.45/x
  3. Step 3: Cross multiply
    427,367.16x = 589,727.05 × 236,376.45
  4. Step 4: Simplify right side
    427,367.16x = 139,397,585,366.09
  5. Step 5: Solve for x
    x = 139,397,585,366.09/427,367.16
  6. Step 6: Final answer
    x = 326,177.58

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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.