Finding the Fourth Proportional to 438,879.14, 658,508.86 and 154,772.68
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Solution
The fourth proportional to 438,879.14, 658,508.86 and 154,772.68 is: 232,226.08
Step by Step Solution
- Step 1: Write the proportion equation
438,879.14 : 658,508.86 = 154,772.68 : x - Step 2: Convert to fraction form
438,879.14/658,508.86 = 154,772.68/x - Step 3: Cross multiply
438,879.14x = 658,508.86 × 154,772.68 - Step 4: Simplify right side
438,879.14x = 101,919,181,065.95 - Step 5: Solve for x
x = 101,919,181,065.95/438,879.14 - Step 6: Final answer
x = 232,226.08
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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.