Finding the Fourth Proportional to 474,121.65, 711,034.05 and 158,504.75
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Solution
The fourth proportional to 474,121.65, 711,034.05 and 158,504.75 is: 237,707.50
Step by Step Solution
- Step 1: Write the proportion equation
474,121.65 : 711,034.05 = 158,504.75 : x - Step 2: Convert to fraction form
474,121.65/711,034.05 = 158,504.75/x - Step 3: Cross multiply
474,121.65x = 711,034.05 × 158,504.75 - Step 4: Simplify right side
474,121.65x = 112,702,274,336.74 - Step 5: Solve for x
x = 112,702,274,336.74/474,121.65 - Step 6: Final answer
x = 237,707.50
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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.