Finding the Fourth Proportional to 541,122.64, 746,731.20 and 299,405.68
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Solution
The fourth proportional to 541,122.64, 746,731.20 and 299,405.68 is: 413,169.86
Step by Step Solution
- Step 1: Write the proportion equation
541,122.64 : 746,731.20 = 299,405.68 : x - Step 2: Convert to fraction form
541,122.64/746,731.20 = 299,405.68/x - Step 3: Cross multiply
541,122.64x = 746,731.20 × 299,405.68 - Step 4: Simplify right side
541,122.64x = 223,575,562,713.22 - Step 5: Solve for x
x = 223,575,562,713.22/541,122.64 - Step 6: Final answer
x = 413,169.86
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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.