Finding the Fourth Proportional to 299,780.80, 448,687.05 and 232,858.60
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Solution
The fourth proportional to 299,780.80, 448,687.05 and 232,858.60 is: 348,523.45
Step by Step Solution
- Step 1: Write the proportion equation
299,780.80 : 448,687.05 = 232,858.60 : x - Step 2: Convert to fraction form
299,780.80/448,687.05 = 232,858.60/x - Step 3: Cross multiply
299,780.80x = 448,687.05 × 232,858.60 - Step 4: Simplify right side
299,780.80x = 104,480,638,301.13 - Step 5: Solve for x
x = 104,480,638,301.13/299,780.80 - Step 6: Final answer
x = 348,523.45
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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.