Home / 427,708.28-590,256.03-236,721.62

Finding the Fourth Proportional to 427,708.28, 590,256.03 and 236,721.62

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Solution

The fourth proportional to 427,708.28, 590,256.03 and 236,721.62 is: 326,686.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,708.28 : 590,256.03 = 236,721.62 : x
  2. Step 2: Convert to fraction form
    427,708.28/590,256.03 = 236,721.62/x
  3. Step 3: Cross multiply
    427,708.28x = 590,256.03 × 236,721.62
  4. Step 4: Simplify right side
    427,708.28x = 139,726,360,685.09
  5. Step 5: Solve for x
    x = 139,726,360,685.09/427,708.28
  6. Step 6: Final answer
    x = 326,686.13

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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.