Finding the Fourth Proportional to 327,259.60, 490,767.80 and 113,972.76
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Solution
The fourth proportional to 327,259.60, 490,767.80 and 113,972.76 is: 170,916.79
Step by Step Solution
- Step 1: Write the proportion equation
327,259.60 : 490,767.80 = 113,972.76 : x - Step 2: Convert to fraction form
327,259.60/490,767.80 = 113,972.76/x - Step 3: Cross multiply
327,259.60x = 490,767.80 × 113,972.76 - Step 4: Simplify right side
327,259.60x = 55,934,160,685.13 - Step 5: Solve for x
x = 55,934,160,685.13/327,259.60 - Step 6: Final answer
x = 170,916.79
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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.