Finding the Fourth Proportional to 368,951.15, 552,843.81 and 278,566.09
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Solution
The fourth proportional to 368,951.15, 552,843.81 and 278,566.09 is: 417,409.02
Step by Step Solution
- Step 1: Write the proportion equation
368,951.15 : 552,843.81 = 278,566.09 : x - Step 2: Convert to fraction form
368,951.15/552,843.81 = 278,566.09/x - Step 3: Cross multiply
368,951.15x = 552,843.81 × 278,566.09 - Step 4: Simplify right side
368,951.15x = 154,003,537,150.29 - Step 5: Solve for x
x = 154,003,537,150.29/368,951.15 - Step 6: Final answer
x = 417,409.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.