Finding the Fourth Proportional to 289,791.18, 434,379.96 and 97,482.53
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Solution
The fourth proportional to 289,791.18, 434,379.96 and 97,482.53 is: 146,120.59
Step by Step Solution
- Step 1: Write the proportion equation
289,791.18 : 434,379.96 = 97,482.53 : x - Step 2: Convert to fraction form
289,791.18/434,379.96 = 97,482.53/x - Step 3: Cross multiply
289,791.18x = 434,379.96 × 97,482.53 - Step 4: Simplify right side
289,791.18x = 42,344,457,482.10 - Step 5: Solve for x
x = 42,344,457,482.10/289,791.18 - Step 6: Final answer
x = 146,120.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.