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Finding the Fourth Proportional to 254,571, 351,291.08 and 139,827.32

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Solution

The fourth proportional to 254,571, 351,291.08 and 139,827.32 is: 192,952.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,571 : 351,291.08 = 139,827.32 : x
  2. Step 2: Convert to fraction form
    254,571/351,291.08 = 139,827.32/x
  3. Step 3: Cross multiply
    254,571x = 351,291.08 × 139,827.32
  4. Step 4: Simplify right side
    254,571x = 49,120,090,256.31
  5. Step 5: Solve for x
    x = 49,120,090,256.31/254,571
  6. Step 6: Final answer
    x = 192,952.42

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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.