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Finding the Fourth Proportional to 255,323.37, 382,985.16 and 254,954.42

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Solution

The fourth proportional to 255,323.37, 382,985.16 and 254,954.42 is: 382,431.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,323.37 : 382,985.16 = 254,954.42 : x
  2. Step 2: Convert to fraction form
    255,323.37/382,985.16 = 254,954.42/x
  3. Step 3: Cross multiply
    255,323.37x = 382,985.16 × 254,954.42
  4. Step 4: Simplify right side
    255,323.37x = 97,643,757,901.60
  5. Step 5: Solve for x
    x = 97,643,757,901.60/255,323.37
  6. Step 6: Final answer
    x = 382,431.72

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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.