Finding the Fourth Proportional to 195,767.75, 293,651.63 and 84,959.75
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Solution
The fourth proportional to 195,767.75, 293,651.63 and 84,959.75 is: 127,439.63
Step by Step Solution
- Step 1: Write the proportion equation
195,767.75 : 293,651.63 = 84,959.75 : x - Step 2: Convert to fraction form
195,767.75/293,651.63 = 84,959.75/x - Step 3: Cross multiply
195,767.75x = 293,651.63 × 84,959.75 - Step 4: Simplify right side
195,767.75x = 24,948,569,071.89 - Step 5: Solve for x
x = 24,948,569,071.89/195,767.75 - Step 6: Final answer
x = 127,439.63
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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.