Finding the Fourth Proportional to 476,719.83, 715,078.80 and 121,734.09
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Solution
The fourth proportional to 476,719.83, 715,078.80 and 121,734.09 is: 182,600.89
Step by Step Solution
- Step 1: Write the proportion equation
476,719.83 : 715,078.80 = 121,734.09 : x - Step 2: Convert to fraction form
476,719.83/715,078.80 = 121,734.09/x - Step 3: Cross multiply
476,719.83x = 715,078.80 × 121,734.09 - Step 4: Simplify right side
476,719.83x = 87,049,466,996.29 - Step 5: Solve for x
x = 87,049,466,996.29/476,719.83 - Step 6: Final answer
x = 182,600.89
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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.