Finding the Fourth Proportional to 169,391.68, 254,403.43 and 149,135.63
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Solution
The fourth proportional to 169,391.68, 254,403.43 and 149,135.63 is: 223,981.58
Step by Step Solution
- Step 1: Write the proportion equation
169,391.68 : 254,403.43 = 149,135.63 : x - Step 2: Convert to fraction form
169,391.68/254,403.43 = 149,135.63/x - Step 3: Cross multiply
169,391.68x = 254,403.43 × 149,135.63 - Step 4: Simplify right side
169,391.68x = 37,940,616,432.26 - Step 5: Solve for x
x = 37,940,616,432.26/169,391.68 - Step 6: Final answer
x = 223,981.58
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.