Finding the Fourth Proportional to 442,918.08, 664,482.24 and 143,398.68
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Solution
The fourth proportional to 442,918.08, 664,482.24 and 143,398.68 is: 215,132.05
Step by Step Solution
- Step 1: Write the proportion equation
442,918.08 : 664,482.24 = 143,398.68 : x - Step 2: Convert to fraction form
442,918.08/664,482.24 = 143,398.68/x - Step 3: Cross multiply
442,918.08x = 664,482.24 × 143,398.68 - Step 4: Simplify right side
442,918.08x = 95,285,876,099.44 - Step 5: Solve for x
x = 95,285,876,099.44/442,918.08 - Step 6: Final answer
x = 215,132.05
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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.