Finding the Fourth Proportional to 193,288.99, 289,864.01 and 66,894.95
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Solution
The fourth proportional to 193,288.99, 289,864.01 and 66,894.95 is: 100,318.38
Step by Step Solution
- Step 1: Write the proportion equation
193,288.99 : 289,864.01 = 66,894.95 : x - Step 2: Convert to fraction form
193,288.99/289,864.01 = 66,894.95/x - Step 3: Cross multiply
193,288.99x = 289,864.01 × 66,894.95 - Step 4: Simplify right side
193,288.99x = 19,390,437,173.67 - Step 5: Solve for x
x = 19,390,437,173.67/193,288.99 - Step 6: Final answer
x = 100,318.38
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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.