Finding the Fourth Proportional to 299,305.60, 413,028.84 and 163,336.12
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Solution
The fourth proportional to 299,305.60, 413,028.84 and 163,336.12 is: 225,396.81
Step by Step Solution
- Step 1: Write the proportion equation
299,305.60 : 413,028.84 = 163,336.12 : x - Step 2: Convert to fraction form
299,305.60/413,028.84 = 163,336.12/x - Step 3: Cross multiply
299,305.60x = 413,028.84 × 163,336.12 - Step 4: Simplify right side
299,305.60x = 67,462,528,173.70 - Step 5: Solve for x
x = 67,462,528,173.70/299,305.60 - Step 6: Final answer
x = 225,396.81
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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.