Finding the Fourth Proportional to 438,957.18, 658,305.90 and 186,234.48
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Solution
The fourth proportional to 438,957.18, 658,305.90 and 186,234.48 is: 279,296.62
Step by Step Solution
- Step 1: Write the proportion equation
438,957.18 : 658,305.90 = 186,234.48 : x - Step 2: Convert to fraction form
438,957.18/658,305.90 = 186,234.48/x - Step 3: Cross multiply
438,957.18x = 658,305.90 × 186,234.48 - Step 4: Simplify right side
438,957.18x = 122,599,256,967.43 - Step 5: Solve for x
x = 122,599,256,967.43/438,957.18 - Step 6: Final answer
x = 279,296.62
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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.