Finding the Fourth Proportional to 221,100.68, 305,119.96 and 125,612.62
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Solution
The fourth proportional to 221,100.68, 305,119.96 and 125,612.62 is: 173,345.99
Step by Step Solution
- Step 1: Write the proportion equation
221,100.68 : 305,119.96 = 125,612.62 : x - Step 2: Convert to fraction form
221,100.68/305,119.96 = 125,612.62/x - Step 3: Cross multiply
221,100.68x = 305,119.96 × 125,612.62 - Step 4: Simplify right side
221,100.68x = 38,326,916,513.06 - Step 5: Solve for x
x = 38,326,916,513.06/221,100.68 - Step 6: Final answer
x = 173,345.99
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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.