Finding the Fourth Proportional to 474,350.40, 711,521.64 and 193,670.76
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Solution
The fourth proportional to 474,350.40, 711,521.64 and 193,670.76 is: 290,504.52
Step by Step Solution
- Step 1: Write the proportion equation
474,350.40 : 711,521.64 = 193,670.76 : x - Step 2: Convert to fraction form
474,350.40/711,521.64 = 193,670.76/x - Step 3: Cross multiply
474,350.40x = 711,521.64 × 193,670.76 - Step 4: Simplify right side
474,350.40x = 137,800,936,775.25 - Step 5: Solve for x
x = 137,800,936,775.25/474,350.40 - Step 6: Final answer
x = 290,504.52
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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.