Finding the Fourth Proportional to 551,458.80, 827,191.44 and 196,486.56
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Solution
The fourth proportional to 551,458.80, 827,191.44 and 196,486.56 is: 294,730.99
Step by Step Solution
- Step 1: Write the proportion equation
551,458.80 : 827,191.44 = 196,486.56 : x - Step 2: Convert to fraction form
551,458.80/827,191.44 = 196,486.56/x - Step 3: Cross multiply
551,458.80x = 827,191.44 × 196,486.56 - Step 4: Simplify right side
551,458.80x = 162,532,000,507.05 - Step 5: Solve for x
x = 162,532,000,507.05/551,458.80 - Step 6: Final answer
x = 294,730.99
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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.