Home / 437,179.51-655,792.67-137,683.41

Finding the Fourth Proportional to 437,179.51, 655,792.67 and 137,683.41

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Solution

The fourth proportional to 437,179.51, 655,792.67 and 137,683.41 is: 206,532.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,179.51 : 655,792.67 = 137,683.41 : x
  2. Step 2: Convert to fraction form
    437,179.51/655,792.67 = 137,683.41/x
  3. Step 3: Cross multiply
    437,179.51x = 655,792.67 × 137,683.41
  4. Step 4: Simplify right side
    437,179.51x = 90,291,772,009.67
  5. Step 5: Solve for x
    x = 90,291,772,009.67/437,179.51
  6. Step 6: Final answer
    x = 206,532.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.