Finding the Fourth Proportional to 369,388.06, 554,082.21 and 88,905.31
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Solution
The fourth proportional to 369,388.06, 554,082.21 and 88,905.31 is: 133,357.99
Step by Step Solution
- Step 1: Write the proportion equation
369,388.06 : 554,082.21 = 88,905.31 : x - Step 2: Convert to fraction form
369,388.06/554,082.21 = 88,905.31/x - Step 3: Cross multiply
369,388.06x = 554,082.21 × 88,905.31 - Step 4: Simplify right side
369,388.06x = 49,260,850,645.54 - Step 5: Solve for x
x = 49,260,850,645.54/369,388.06 - Step 6: Final answer
x = 133,357.99
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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.