Finding the Fourth Proportional to 302,859.68, 417,949.16 and 166,898.48
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Solution
The fourth proportional to 302,859.68, 417,949.16 and 166,898.48 is: 230,321.45
Step by Step Solution
- Step 1: Write the proportion equation
302,859.68 : 417,949.16 = 166,898.48 : x - Step 2: Convert to fraction form
302,859.68/417,949.16 = 166,898.48/x - Step 3: Cross multiply
302,859.68x = 417,949.16 × 166,898.48 - Step 4: Simplify right side
302,859.68x = 69,755,079,521.28 - Step 5: Solve for x
x = 69,755,079,521.28/302,859.68 - Step 6: Final answer
x = 230,321.45
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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.