Finding the Fourth Proportional to 242,948.82, 335,269.88 and 135,516.08
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Solution
The fourth proportional to 242,948.82, 335,269.88 and 135,516.08 is: 187,012.47
Step by Step Solution
- Step 1: Write the proportion equation
242,948.82 : 335,269.88 = 135,516.08 : x - Step 2: Convert to fraction form
242,948.82/335,269.88 = 135,516.08/x - Step 3: Cross multiply
242,948.82x = 335,269.88 × 135,516.08 - Step 4: Simplify right side
242,948.82x = 45,434,459,879.67 - Step 5: Solve for x
x = 45,434,459,879.67/242,948.82 - Step 6: Final answer
x = 187,012.47
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.