Finding the Fourth Proportional to 97,653.29, 146,490.75 and 31,077.99
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Solution
The fourth proportional to 97,653.29, 146,490.75 and 31,077.99 is: 46,620.43
Step by Step Solution
- Step 1: Write the proportion equation
97,653.29 : 146,490.75 = 31,077.99 : x - Step 2: Convert to fraction form
97,653.29/146,490.75 = 31,077.99/x - Step 3: Cross multiply
97,653.29x = 146,490.75 × 31,077.99 - Step 4: Simplify right side
97,653.29x = 4,552,638,063.59 - Step 5: Solve for x
x = 4,552,638,063.59/97,653.29 - Step 6: Final answer
x = 46,620.43
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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.