Finding the Fourth Proportional to 314,183.40, 471,204.09 and 89,538.99
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Solution
The fourth proportional to 314,183.40, 471,204.09 and 89,538.99 is: 134,288.25
Step by Step Solution
- Step 1: Write the proportion equation
314,183.40 : 471,204.09 = 89,538.99 : x - Step 2: Convert to fraction form
314,183.40/471,204.09 = 89,538.99/x - Step 3: Cross multiply
314,183.40x = 471,204.09 × 89,538.99 - Step 4: Simplify right side
314,183.40x = 42,191,138,302.47 - Step 5: Solve for x
x = 42,191,138,302.47/314,183.40 - Step 6: Final answer
x = 134,288.25
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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.