Finding the Fourth Proportional to 656,838.71, 985,700.24 and 230,378.49
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Solution
The fourth proportional to 656,838.71, 985,700.24 and 230,378.49 is: 345,722.82
Step by Step Solution
- Step 1: Write the proportion equation
656,838.71 : 985,700.24 = 230,378.49 : x - Step 2: Convert to fraction form
656,838.71/985,700.24 = 230,378.49/x - Step 3: Cross multiply
656,838.71x = 985,700.24 × 230,378.49 - Step 4: Simplify right side
656,838.71x = 227,084,132,595.86 - Step 5: Solve for x
x = 227,084,132,595.86/656,838.71 - Step 6: Final answer
x = 345,722.82
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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.