Finding the Fourth Proportional to 422,489.68, 633,734.97 and 106,946.58
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Solution
The fourth proportional to 422,489.68, 633,734.97 and 106,946.58 is: 160,419.98
Step by Step Solution
- Step 1: Write the proportion equation
422,489.68 : 633,734.97 = 106,946.58 : x - Step 2: Convert to fraction form
422,489.68/633,734.97 = 106,946.58/x - Step 3: Cross multiply
422,489.68x = 633,734.97 × 106,946.58 - Step 4: Simplify right side
422,489.68x = 67,775,787,667.90 - Step 5: Solve for x
x = 67,775,787,667.90/422,489.68 - Step 6: Final answer
x = 160,419.98
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.