Finding the Fourth Proportional to 368,919.80, 552,129.80 and 226,855.05
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Solution
The fourth proportional to 368,919.80, 552,129.80 and 226,855.05 is: 339,513.99
Step by Step Solution
- Step 1: Write the proportion equation
368,919.80 : 552,129.80 = 226,855.05 : x - Step 2: Convert to fraction form
368,919.80/552,129.80 = 226,855.05/x - Step 3: Cross multiply
368,919.80x = 552,129.80 × 226,855.05 - Step 4: Simplify right side
368,919.80x = 125,253,433,385.49 - Step 5: Solve for x
x = 125,253,433,385.49/368,919.80 - Step 6: Final answer
x = 339,513.99
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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.