Finding the Fourth Proportional to 97,810.05, 146,716.16 and 31,249.65
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Solution
The fourth proportional to 97,810.05, 146,716.16 and 31,249.65 is: 46,874.82
Step by Step Solution
- Step 1: Write the proportion equation
97,810.05 : 146,716.16 = 31,249.65 : x - Step 2: Convert to fraction form
97,810.05/146,716.16 = 31,249.65/x - Step 3: Cross multiply
97,810.05x = 146,716.16 × 31,249.65 - Step 4: Simplify right side
97,810.05x = 4,584,828,493.10 - Step 5: Solve for x
x = 4,584,828,493.10/97,810.05 - Step 6: Final answer
x = 46,874.82
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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.