Finding the Fourth Proportional to 299,633.96, 449,517.98 and 112,647.08
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Solution
The fourth proportional to 299,633.96, 449,517.98 and 112,647.08 is: 168,995.82
Step by Step Solution
- Step 1: Write the proportion equation
299,633.96 : 449,517.98 = 112,647.08 : x - Step 2: Convert to fraction form
299,633.96/449,517.98 = 112,647.08/x - Step 3: Cross multiply
299,633.96x = 449,517.98 × 112,647.08 - Step 4: Simplify right side
299,633.96x = 50,636,887,854.50 - Step 5: Solve for x
x = 50,636,887,854.50/299,633.96 - Step 6: Final answer
x = 168,995.82
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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.