Finding the Fourth Proportional to 299,878.66, 449,810.82 and 97,474.52
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Solution
The fourth proportional to 299,878.66, 449,810.82 and 97,474.52 is: 146,209.45
Step by Step Solution
- Step 1: Write the proportion equation
299,878.66 : 449,810.82 = 97,474.52 : x - Step 2: Convert to fraction form
299,878.66/449,810.82 = 97,474.52/x - Step 3: Cross multiply
299,878.66x = 449,810.82 × 97,474.52 - Step 4: Simplify right side
299,878.66x = 43,845,093,770.31 - Step 5: Solve for x
x = 43,845,093,770.31/299,878.66 - Step 6: Final answer
x = 146,209.45
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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.