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Finding the Fourth Proportional to 258,763.33, 357,103.88 and 144,034.70

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Solution

The fourth proportional to 258,763.33, 357,103.88 and 144,034.70 is: 198,773.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,763.33 : 357,103.88 = 144,034.70 : x
  2. Step 2: Convert to fraction form
    258,763.33/357,103.88 = 144,034.70/x
  3. Step 3: Cross multiply
    258,763.33x = 357,103.88 × 144,034.70
  4. Step 4: Simplify right side
    258,763.33x = 51,435,348,259.07
  5. Step 5: Solve for x
    x = 51,435,348,259.07/258,763.33
  6. Step 6: Final answer
    x = 198,773.71

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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.