Finding the Fourth Proportional to 171,934.09, 237,269.88 and 107,440.78
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Solution
The fourth proportional to 171,934.09, 237,269.88 and 107,440.78 is: 148,268.80
Step by Step Solution
- Step 1: Write the proportion equation
171,934.09 : 237,269.88 = 107,440.78 : x - Step 2: Convert to fraction form
171,934.09/237,269.88 = 107,440.78/x - Step 3: Cross multiply
171,934.09x = 237,269.88 × 107,440.78 - Step 4: Simplify right side
171,934.09x = 25,492,461,131.59 - Step 5: Solve for x
x = 25,492,461,131.59/171,934.09 - Step 6: Final answer
x = 148,268.80
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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.