Finding the Fourth Proportional to 283,094.01, 390,662.56 and 154,026.99
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Solution
The fourth proportional to 283,094.01, 390,662.56 and 154,026.99 is: 212,553.34
Step by Step Solution
- Step 1: Write the proportion equation
283,094.01 : 390,662.56 = 154,026.99 : x - Step 2: Convert to fraction form
283,094.01/390,662.56 = 154,026.99/x - Step 3: Cross multiply
283,094.01x = 390,662.56 × 154,026.99 - Step 4: Simplify right side
283,094.01x = 60,172,578,814.08 - Step 5: Solve for x
x = 60,172,578,814.08/283,094.01 - Step 6: Final answer
x = 212,553.34
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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.