Finding the Fourth Proportional to 157,362.60, 217,161.36 and 93,703.08
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Solution
The fourth proportional to 157,362.60, 217,161.36 and 93,703.08 is: 129,310.83
Step by Step Solution
- Step 1: Write the proportion equation
157,362.60 : 217,161.36 = 93,703.08 : x - Step 2: Convert to fraction form
157,362.60/217,161.36 = 93,703.08/x - Step 3: Cross multiply
157,362.60x = 217,161.36 × 93,703.08 - Step 4: Simplify right side
157,362.60x = 20,348,688,288.99 - Step 5: Solve for x
x = 20,348,688,288.99/157,362.60 - Step 6: Final answer
x = 129,310.83
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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.