Finding the Fourth Proportional to 474,276.84, 711,416.46 and 193,794.09
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Solution
The fourth proportional to 474,276.84, 711,416.46 and 193,794.09 is: 290,691.63
Step by Step Solution
- Step 1: Write the proportion equation
474,276.84 : 711,416.46 = 193,794.09 : x - Step 2: Convert to fraction form
474,276.84/711,416.46 = 193,794.09/x - Step 3: Cross multiply
474,276.84x = 711,416.46 × 193,794.09 - Step 4: Simplify right side
474,276.84x = 137,868,305,476.72 - Step 5: Solve for x
x = 137,868,305,476.72/474,276.84 - Step 6: Final answer
x = 290,691.63
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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.