Finding the Fourth Proportional to 498,845.70, 748,195.65 and 143,822.70
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Solution
The fourth proportional to 498,845.70, 748,195.65 and 143,822.70 is: 215,713.03
Step by Step Solution
- Step 1: Write the proportion equation
498,845.70 : 748,195.65 = 143,822.70 : x - Step 2: Convert to fraction form
498,845.70/748,195.65 = 143,822.70/x - Step 3: Cross multiply
498,845.70x = 748,195.65 × 143,822.70 - Step 4: Simplify right side
498,845.70x = 107,607,518,511.26 - Step 5: Solve for x
x = 107,607,518,511.26/498,845.70 - Step 6: Final answer
x = 215,713.03
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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.