Finding the Fourth Proportional to 345,976.84, 519,035.28 and 146,296.92
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Solution
The fourth proportional to 345,976.84, 519,035.28 and 146,296.92 is: 219,474.99
Step by Step Solution
- Step 1: Write the proportion equation
345,976.84 : 519,035.28 = 146,296.92 : x - Step 2: Convert to fraction form
345,976.84/519,035.28 = 146,296.92/x - Step 3: Cross multiply
345,976.84x = 519,035.28 × 146,296.92 - Step 4: Simplify right side
345,976.84x = 75,933,262,835.34 - Step 5: Solve for x
x = 75,933,262,835.34/345,976.84 - Step 6: Final answer
x = 219,474.99
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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.