Finding the Fourth Proportional to 545,302.08, 752,509.44 and 303,577.92
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Solution
The fourth proportional to 545,302.08, 752,509.44 and 303,577.92 is: 418,933.39
Step by Step Solution
- Step 1: Write the proportion equation
545,302.08 : 752,509.44 = 303,577.92 : x - Step 2: Convert to fraction form
545,302.08/752,509.44 = 303,577.92/x - Step 3: Cross multiply
545,302.08x = 752,509.44 × 303,577.92 - Step 4: Simplify right side
545,302.08x = 228,445,250,575.57 - Step 5: Solve for x
x = 228,445,250,575.57/545,302.08 - Step 6: Final answer
x = 418,933.39
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.