Finding the Fourth Proportional to 911,858.68, 1,367,789.10 and 237,939.49
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Solution
The fourth proportional to 911,858.68, 1,367,789.10 and 237,939.49 is: 356,909.51
Step by Step Solution
- Step 1: Write the proportion equation
911,858.68 : 1,367,789.10 = 237,939.49 : x - Step 2: Convert to fraction form
911,858.68/1,367,789.10 = 237,939.49/x - Step 3: Cross multiply
911,858.68x = 1,367,789.10 × 237,939.49 - Step 4: Simplify right side
911,858.68x = 325,451,032,852.92 - Step 5: Solve for x
x = 325,451,032,852.92/911,858.68 - Step 6: Final answer
x = 356,909.51
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.