Finding the Fourth Proportional to 379,027.12, 523,055.94 and 209,260.03
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Solution
The fourth proportional to 379,027.12, 523,055.94 and 209,260.03 is: 288,778.02
Step by Step Solution
- Step 1: Write the proportion equation
379,027.12 : 523,055.94 = 209,260.03 : x - Step 2: Convert to fraction form
379,027.12/523,055.94 = 209,260.03/x - Step 3: Cross multiply
379,027.12x = 523,055.94 × 209,260.03 - Step 4: Simplify right side
379,027.12x = 109,454,701,696.08 - Step 5: Solve for x
x = 109,454,701,696.08/379,027.12 - Step 6: Final answer
x = 288,778.02
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.