Finding the Fourth Proportional to 227,977.05, 314,646.60 and 154,356.09
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Solution
The fourth proportional to 227,977.05, 314,646.60 and 154,356.09 is: 213,037.32
Step by Step Solution
- Step 1: Write the proportion equation
227,977.05 : 314,646.60 = 154,356.09 : x - Step 2: Convert to fraction form
227,977.05/314,646.60 = 154,356.09/x - Step 3: Cross multiply
227,977.05x = 314,646.60 × 154,356.09 - Step 4: Simplify right side
227,977.05x = 48,567,618,907.79 - Step 5: Solve for x
x = 48,567,618,907.79/227,977.05 - Step 6: Final answer
x = 213,037.32
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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.