Finding the Fourth Proportional to 361,704.64, 542,557.18 and 91,852.99
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Solution
The fourth proportional to 361,704.64, 542,557.18 and 91,852.99 is: 137,779.54
Step by Step Solution
- Step 1: Write the proportion equation
361,704.64 : 542,557.18 = 91,852.99 : x - Step 2: Convert to fraction form
361,704.64/542,557.18 = 91,852.99/x - Step 3: Cross multiply
361,704.64x = 542,557.18 × 91,852.99 - Step 4: Simplify right side
361,704.64x = 49,835,496,516.18 - Step 5: Solve for x
x = 49,835,496,516.18/361,704.64 - Step 6: Final answer
x = 137,779.54
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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.