Finding the Fourth Proportional to 178,714.35, 268,111.62 and 82,602.99
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Solution
The fourth proportional to 178,714.35, 268,111.62 and 82,602.99 is: 123,923.02
Step by Step Solution
- Step 1: Write the proportion equation
178,714.35 : 268,111.62 = 82,602.99 : x - Step 2: Convert to fraction form
178,714.35/268,111.62 = 82,602.99/x - Step 3: Cross multiply
178,714.35x = 268,111.62 × 82,602.99 - Step 4: Simplify right side
178,714.35x = 22,146,821,465.74 - Step 5: Solve for x
x = 22,146,821,465.74/178,714.35 - Step 6: Final answer
x = 123,923.02
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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.