Finding the Fourth Proportional to 285,472.24, 393,862.16 and 164,597.15
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Solution
The fourth proportional to 285,472.24, 393,862.16 and 164,597.15 is: 227,092.45
Step by Step Solution
- Step 1: Write the proportion equation
285,472.24 : 393,862.16 = 164,597.15 : x - Step 2: Convert to fraction form
285,472.24/393,862.16 = 164,597.15/x - Step 3: Cross multiply
285,472.24x = 393,862.16 × 164,597.15 - Step 4: Simplify right side
285,472.24x = 64,828,590,424.99 - Step 5: Solve for x
x = 64,828,590,424.99/285,472.24 - Step 6: Final answer
x = 227,092.45
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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.