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Finding the Fourth Proportional to 255,988.40, 353,261.52 and 141,268.10

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Solution

The fourth proportional to 255,988.40, 353,261.52 and 141,268.10 is: 194,948.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,988.40 : 353,261.52 = 141,268.10 : x
  2. Step 2: Convert to fraction form
    255,988.40/353,261.52 = 141,268.10/x
  3. Step 3: Cross multiply
    255,988.40x = 353,261.52 × 141,268.10
  4. Step 4: Simplify right side
    255,988.40x = 49,904,583,733.51
  5. Step 5: Solve for x
    x = 49,904,583,733.51/255,988.40
  6. Step 6: Final answer
    x = 194,948.61

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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.