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Finding the Fourth Proportional to 254,073.31, 350,627.34 and 139,356.66

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Solution

The fourth proportional to 254,073.31, 350,627.34 and 139,356.66 is: 192,315.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,073.31 : 350,627.34 = 139,356.66 : x
  2. Step 2: Convert to fraction form
    254,073.31/350,627.34 = 139,356.66/x
  3. Step 3: Cross multiply
    254,073.31x = 350,627.34 × 139,356.66
  4. Step 4: Simplify right side
    254,073.31x = 48,862,255,007.08
  5. Step 5: Solve for x
    x = 48,862,255,007.08/254,073.31
  6. Step 6: Final answer
    x = 192,315.58

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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.