Finding the Fourth Proportional to 667,345.77, 1,001,116.26 and 193,969.62
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Solution
The fourth proportional to 667,345.77, 1,001,116.26 and 193,969.62 is: 290,982.80
Step by Step Solution
- Step 1: Write the proportion equation
667,345.77 : 1,001,116.26 = 193,969.62 : x - Step 2: Convert to fraction form
667,345.77/1,001,116.26 = 193,969.62/x - Step 3: Cross multiply
667,345.77x = 1,001,116.26 × 193,969.62 - Step 4: Simplify right side
667,345.77x = 194,186,140,528.02 - Step 5: Solve for x
x = 194,186,140,528.02/667,345.77 - Step 6: Final answer
x = 290,982.80
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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.