Finding the Fourth Proportional to 314,071.55, 471,047.24 and 121,945.99
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Solution
The fourth proportional to 314,071.55, 471,047.24 and 121,945.99 is: 182,895.65
Step by Step Solution
- Step 1: Write the proportion equation
314,071.55 : 471,047.24 = 121,945.99 : x - Step 2: Convert to fraction form
314,071.55/471,047.24 = 121,945.99/x - Step 3: Cross multiply
314,071.55x = 471,047.24 × 121,945.99 - Step 4: Simplify right side
314,071.55x = 57,442,319,053.60 - Step 5: Solve for x
x = 57,442,319,053.60/314,071.55 - Step 6: Final answer
x = 182,895.65
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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.