Finding the Fourth Proportional to 149,307.08, 206,007.99 and 84,761.96
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Solution
The fourth proportional to 149,307.08, 206,007.99 and 84,761.96 is: 116,951.19
Step by Step Solution
- Step 1: Write the proportion equation
149,307.08 : 206,007.99 = 84,761.96 : x - Step 2: Convert to fraction form
149,307.08/206,007.99 = 84,761.96/x - Step 3: Cross multiply
149,307.08x = 206,007.99 × 84,761.96 - Step 4: Simplify right side
149,307.08x = 17,461,641,008.06 - Step 5: Solve for x
x = 17,461,641,008.06/149,307.08 - Step 6: Final answer
x = 116,951.19
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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.