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Finding the Fourth Proportional to 255,277.44, 384,827.40 and 238,150.80

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Solution

The fourth proportional to 255,277.44, 384,827.40 and 238,150.80 is: 359,009.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,277.44 : 384,827.40 = 238,150.80 : x
  2. Step 2: Convert to fraction form
    255,277.44/384,827.40 = 238,150.80/x
  3. Step 3: Cross multiply
    255,277.44x = 384,827.40 × 238,150.80
  4. Step 4: Simplify right side
    255,277.44x = 91,646,953,171.92
  5. Step 5: Solve for x
    x = 91,646,953,171.92/255,277.44
  6. Step 6: Final answer
    x = 359,009.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.