Finding the Fourth Proportional to 97,785.15, 146,732.40 and 41,615.70
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Solution
The fourth proportional to 97,785.15, 146,732.40 and 41,615.70 is: 62,446.82
Step by Step Solution
- Step 1: Write the proportion equation
97,785.15 : 146,732.40 = 41,615.70 : x - Step 2: Convert to fraction form
97,785.15/146,732.40 = 41,615.70/x - Step 3: Cross multiply
97,785.15x = 146,732.40 × 41,615.70 - Step 4: Simplify right side
97,785.15x = 6,106,371,538.68 - Step 5: Solve for x
x = 6,106,371,538.68/97,785.15 - Step 6: Final answer
x = 62,446.82
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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.