Finding the Fourth Proportional to 342,628.92, 472,822.19 and 189,663.88
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Solution
The fourth proportional to 342,628.92, 472,822.19 and 189,663.88 is: 261,732.99
Step by Step Solution
- Step 1: Write the proportion equation
342,628.92 : 472,822.19 = 189,663.88 : x - Step 2: Convert to fraction form
342,628.92/472,822.19 = 189,663.88/x - Step 3: Cross multiply
342,628.92x = 472,822.19 × 189,663.88 - Step 4: Simplify right side
342,628.92x = 89,677,291,105.50 - Step 5: Solve for x
x = 89,677,291,105.50/342,628.92 - Step 6: Final answer
x = 261,732.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.