Finding the Fourth Proportional to 157,585.38, 235,148.99 and 140,601.63
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Solution
The fourth proportional to 157,585.38, 235,148.99 and 140,601.63 is: 209,805.83
Step by Step Solution
- Step 1: Write the proportion equation
157,585.38 : 235,148.99 = 140,601.63 : x - Step 2: Convert to fraction form
157,585.38/235,148.99 = 140,601.63/x - Step 3: Cross multiply
157,585.38x = 235,148.99 × 140,601.63 - Step 4: Simplify right side
157,585.38x = 33,062,331,523.22 - Step 5: Solve for x
x = 33,062,331,523.22/157,585.38 - Step 6: Final answer
x = 209,805.83
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.