Finding the Fourth Proportional to 299,507.19, 413,336.73 and 163,553.80
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Solution
The fourth proportional to 299,507.19, 413,336.73 and 163,553.80 is: 225,713.42
Step by Step Solution
- Step 1: Write the proportion equation
299,507.19 : 413,336.73 = 163,553.80 : x - Step 2: Convert to fraction form
299,507.19/413,336.73 = 163,553.80/x - Step 3: Cross multiply
299,507.19x = 413,336.73 × 163,553.80 - Step 4: Simplify right side
299,507.19x = 67,602,792,871.07 - Step 5: Solve for x
x = 67,602,792,871.07/299,507.19 - Step 6: Final answer
x = 225,713.42
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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.