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Finding the Fourth Proportional to 459,504.96, 634,145.92 and 258,313.92

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Solution

The fourth proportional to 459,504.96, 634,145.92 and 258,313.92 is: 356,489.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,504.96 : 634,145.92 = 258,313.92 : x
  2. Step 2: Convert to fraction form
    459,504.96/634,145.92 = 258,313.92/x
  3. Step 3: Cross multiply
    459,504.96x = 634,145.92 × 258,313.92
  4. Step 4: Simplify right side
    459,504.96x = 163,808,718,447.21
  5. Step 5: Solve for x
    x = 163,808,718,447.21/459,504.96
  6. Step 6: Final answer
    x = 356,489.55

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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.