Finding the Fourth Proportional to 361,243.42, 542,043.18 and 169,130.84
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Solution
The fourth proportional to 361,243.42, 542,043.18 and 169,130.84 is: 253,779.61
Step by Step Solution
- Step 1: Write the proportion equation
361,243.42 : 542,043.18 = 169,130.84 : x - Step 2: Convert to fraction form
361,243.42/542,043.18 = 169,130.84/x - Step 3: Cross multiply
361,243.42x = 542,043.18 × 169,130.84 - Step 4: Simplify right side
361,243.42x = 91,676,215,216.63 - Step 5: Solve for x
x = 91,676,215,216.63/361,243.42 - Step 6: Final answer
x = 253,779.61
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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.