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Finding the Fourth Proportional to 459,563.07, 634,187.94 and 255,609.60

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Solution

The fourth proportional to 459,563.07, 634,187.94 and 255,609.60 is: 352,736.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,563.07 : 634,187.94 = 255,609.60 : x
  2. Step 2: Convert to fraction form
    459,563.07/634,187.94 = 255,609.60/x
  3. Step 3: Cross multiply
    459,563.07x = 634,187.94 × 255,609.60
  4. Step 4: Simplify right side
    459,563.07x = 162,104,524,834.04
  5. Step 5: Solve for x
    x = 162,104,524,834.04/459,563.07
  6. Step 6: Final answer
    x = 352,736.19

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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.