Finding the Fourth Proportional to 189,976.84, 285,291.28 and 168,677.70
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Solution
The fourth proportional to 189,976.84, 285,291.28 and 168,677.70 is: 253,306.02
Step by Step Solution
- Step 1: Write the proportion equation
189,976.84 : 285,291.28 = 168,677.70 : x - Step 2: Convert to fraction form
189,976.84/285,291.28 = 168,677.70/x - Step 3: Cross multiply
189,976.84x = 285,291.28 × 168,677.70 - Step 4: Simplify right side
189,976.84x = 48,122,276,940.46 - Step 5: Solve for x
x = 48,122,276,940.46/189,976.84 - Step 6: Final answer
x = 253,306.02
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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.