Finding the Fourth Proportional to 368,879.60, 553,578.60 and 236,082.80
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Solution
The fourth proportional to 368,879.60, 553,578.60 and 236,082.80 is: 354,290.09
Step by Step Solution
- Step 1: Write the proportion equation
368,879.60 : 553,578.60 = 236,082.80 : x - Step 2: Convert to fraction form
368,879.60/553,578.60 = 236,082.80/x - Step 3: Cross multiply
368,879.60x = 553,578.60 × 236,082.80 - Step 4: Simplify right side
368,879.60x = 130,690,385,908.08 - Step 5: Solve for x
x = 130,690,385,908.08/368,879.60 - Step 6: Final answer
x = 354,290.09
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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.