Finding the Fourth Proportional to 474,277.15, 711,416.93 and 193,794.40
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Solution
The fourth proportional to 474,277.15, 711,416.93 and 193,794.40 is: 290,692.09
Step by Step Solution
- Step 1: Write the proportion equation
474,277.15 : 711,416.93 = 193,794.40 : x - Step 2: Convert to fraction form
474,277.15/711,416.93 = 193,794.40/x - Step 3: Cross multiply
474,277.15x = 711,416.93 × 193,794.40 - Step 4: Simplify right side
474,277.15x = 137,868,617,099.19 - Step 5: Solve for x
x = 137,868,617,099.19/474,277.15 - Step 6: Final answer
x = 290,692.09
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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.