Finding the Fourth Proportional to 170,934.60, 256,453.68 and 121,111.08
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Solution
The fourth proportional to 170,934.60, 256,453.68 and 121,111.08 is: 181,703.31
Step by Step Solution
- Step 1: Write the proportion equation
170,934.60 : 256,453.68 = 121,111.08 : x - Step 2: Convert to fraction form
170,934.60/256,453.68 = 121,111.08/x - Step 3: Cross multiply
170,934.60x = 256,453.68 × 121,111.08 - Step 4: Simplify right side
170,934.60x = 31,059,382,154.77 - Step 5: Solve for x
x = 31,059,382,154.77/170,934.60 - Step 6: Final answer
x = 181,703.31
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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.