Finding the Fourth Proportional to 306,922.95, 460,416.21 and 117,382.14
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Solution
The fourth proportional to 306,922.95, 460,416.21 and 117,382.14 is: 176,085.37
Step by Step Solution
- Step 1: Write the proportion equation
306,922.95 : 460,416.21 = 117,382.14 : x - Step 2: Convert to fraction form
306,922.95/460,416.21 = 117,382.14/x - Step 3: Cross multiply
306,922.95x = 460,416.21 × 117,382.14 - Step 4: Simplify right side
306,922.95x = 54,044,640,020.49 - Step 5: Solve for x
x = 54,044,640,020.49/306,922.95 - Step 6: Final answer
x = 176,085.37
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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.