Finding the Fourth Proportional to 209,580.01, 288,579.93 and 157,972.09
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Solution
The fourth proportional to 209,580.01, 288,579.93 and 157,972.09 is: 217,518.72
Step by Step Solution
- Step 1: Write the proportion equation
209,580.01 : 288,579.93 = 157,972.09 : x - Step 2: Convert to fraction form
209,580.01/288,579.93 = 157,972.09/x - Step 3: Cross multiply
209,580.01x = 288,579.93 × 157,972.09 - Step 4: Simplify right side
209,580.01x = 45,587,574,674.15 - Step 5: Solve for x
x = 45,587,574,674.15/209,580.01 - Step 6: Final answer
x = 217,518.72
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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.