Finding the Fourth Proportional to 221,104.09, 305,124.65 and 125,616.02
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Solution
The fourth proportional to 221,104.09, 305,124.65 and 125,616.02 is: 173,350.68
Step by Step Solution
- Step 1: Write the proportion equation
221,104.09 : 305,124.65 = 125,616.02 : x - Step 2: Convert to fraction form
221,104.09/305,124.65 = 125,616.02/x - Step 3: Cross multiply
221,104.09x = 305,124.65 × 125,616.02 - Step 4: Simplify right side
221,104.09x = 38,328,544,136.89 - Step 5: Solve for x
x = 38,328,544,136.89/221,104.09 - Step 6: Final answer
x = 173,350.68
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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.