Home / 387,012.22-534,062.21-214,941.26

Finding the Fourth Proportional to 387,012.22, 534,062.21 and 214,941.26

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Solution

The fourth proportional to 387,012.22, 534,062.21 and 214,941.26 is: 296,610.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,012.22 : 534,062.21 = 214,941.26 : x
  2. Step 2: Convert to fraction form
    387,012.22/534,062.21 = 214,941.26/x
  3. Step 3: Cross multiply
    387,012.22x = 534,062.21 × 214,941.26
  4. Step 4: Simplify right side
    387,012.22x = 114,792,006,208.29
  5. Step 5: Solve for x
    x = 114,792,006,208.29/387,012.22
  6. Step 6: Final answer
    x = 296,610.81

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1.5x scale

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.