Finding the Fourth Proportional to 474,699.87, 711,794.43 and 190,247.70
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Solution
The fourth proportional to 474,699.87, 711,794.43 and 190,247.70 is: 285,269.20
Step by Step Solution
- Step 1: Write the proportion equation
474,699.87 : 711,794.43 = 190,247.70 : x - Step 2: Convert to fraction form
474,699.87/711,794.43 = 190,247.70/x - Step 3: Cross multiply
474,699.87x = 711,794.43 × 190,247.70 - Step 4: Simplify right side
474,699.87x = 135,417,253,180.31 - Step 5: Solve for x
x = 135,417,253,180.31/474,699.87 - Step 6: Final answer
x = 285,269.20
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.