Finding the Fourth Proportional to 474,082.40, 711,124.32 and 193,599.68
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Solution
The fourth proportional to 474,082.40, 711,124.32 and 193,599.68 is: 290,399.81
Step by Step Solution
- Step 1: Write the proportion equation
474,082.40 : 711,124.32 = 193,599.68 : x - Step 2: Convert to fraction form
474,082.40/711,124.32 = 193,599.68/x - Step 3: Cross multiply
474,082.40x = 711,124.32 × 193,599.68 - Step 4: Simplify right side
474,082.40x = 137,673,440,792.22 - Step 5: Solve for x
x = 137,673,440,792.22/474,082.40 - Step 6: Final answer
x = 290,399.81
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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.