Home / 358,128.47-494,206.86-196,983.47

Finding the Fourth Proportional to 358,128.47, 494,206.86 and 196,983.47

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Solution

The fourth proportional to 358,128.47, 494,206.86 and 196,983.47 is: 271,831.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,128.47 : 494,206.86 = 196,983.47 : x
  2. Step 2: Convert to fraction form
    358,128.47/494,206.86 = 196,983.47/x
  3. Step 3: Cross multiply
    358,128.47x = 494,206.86 × 196,983.47
  4. Step 4: Simplify right side
    358,128.47x = 97,350,584,154.81
  5. Step 5: Solve for x
    x = 97,350,584,154.81/358,128.47
  6. Step 6: Final answer
    x = 271,831.46

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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.