Finding the Fourth Proportional to 157,585.73, 235,149.51 and 140,601.99
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Solution
The fourth proportional to 157,585.73, 235,149.51 and 140,601.99 is: 209,806.37
Step by Step Solution
- Step 1: Write the proportion equation
157,585.73 : 235,149.51 = 140,601.99 : x - Step 2: Convert to fraction form
157,585.73/235,149.51 = 140,601.99/x - Step 3: Cross multiply
157,585.73x = 235,149.51 × 140,601.99 - Step 4: Simplify right side
157,585.73x = 33,062,488,582.31 - Step 5: Solve for x
x = 33,062,488,582.31/157,585.73 - Step 6: Final answer
x = 209,806.37
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1.5x scale
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.