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Finding the Fourth Proportional to 459,855.12, 634,604.29 and 255,914.64

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Solution

The fourth proportional to 459,855.12, 634,604.29 and 255,914.64 is: 353,164.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,855.12 : 634,604.29 = 255,914.64 : x
  2. Step 2: Convert to fraction form
    459,855.12/634,604.29 = 255,914.64/x
  3. Step 3: Cross multiply
    459,855.12x = 634,604.29 × 255,914.64
  4. Step 4: Simplify right side
    459,855.12x = 162,404,527,778.02
  5. Step 5: Solve for x
    x = 162,404,527,778.02/459,855.12
  6. Step 6: Final answer
    x = 353,164.55

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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.