Finding the Fourth Proportional to 227,688.40, 314,488.99 and 170,583.10
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Solution
The fourth proportional to 227,688.40, 314,488.99 and 170,583.10 is: 235,613.70
Step by Step Solution
- Step 1: Write the proportion equation
227,688.40 : 314,488.99 = 170,583.10 : x - Step 2: Convert to fraction form
227,688.40/314,488.99 = 170,583.10/x - Step 3: Cross multiply
227,688.40x = 314,488.99 × 170,583.10 - Step 4: Simplify right side
227,688.40x = 53,646,505,977.15 - Step 5: Solve for x
x = 53,646,505,977.15/227,688.40 - Step 6: Final answer
x = 235,613.70
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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.