Finding the Fourth Proportional to 178,458.39, 246,317.36 and 121,194.63
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Solution
The fourth proportional to 178,458.39, 246,317.36 and 121,194.63 is: 167,279.00
Step by Step Solution
- Step 1: Write the proportion equation
178,458.39 : 246,317.36 = 121,194.63 : x - Step 2: Convert to fraction form
178,458.39/246,317.36 = 121,194.63/x - Step 3: Cross multiply
178,458.39x = 246,317.36 × 121,194.63 - Step 4: Simplify right side
178,458.39x = 29,852,340,701.80 - Step 5: Solve for x
x = 29,852,340,701.80/178,458.39 - Step 6: Final answer
x = 167,279.00
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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.