Finding the Fourth Proportional to 474,081.48, 711,122.88 and 193,598.70
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Solution
The fourth proportional to 474,081.48, 711,122.88 and 193,598.70 is: 290,398.32
Step by Step Solution
- Step 1: Write the proportion equation
474,081.48 : 711,122.88 = 193,598.70 : x - Step 2: Convert to fraction form
474,081.48/711,122.88 = 193,598.70/x - Step 3: Cross multiply
474,081.48x = 711,122.88 × 193,598.70 - Step 4: Simplify right side
474,081.48x = 137,672,465,108.26 - Step 5: Solve for x
x = 137,672,465,108.26/474,081.48 - Step 6: Final answer
x = 290,398.32
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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.