Finding the Fourth Proportional to 199,221.36, 298,920.12 and 104,428.92
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Solution
The fourth proportional to 199,221.36, 298,920.12 and 104,428.92 is: 156,689.55
Step by Step Solution
- Step 1: Write the proportion equation
199,221.36 : 298,920.12 = 104,428.92 : x - Step 2: Convert to fraction form
199,221.36/298,920.12 = 104,428.92/x - Step 3: Cross multiply
199,221.36x = 298,920.12 × 104,428.92 - Step 4: Simplify right side
199,221.36x = 31,215,905,297.87 - Step 5: Solve for x
x = 31,215,905,297.87/199,221.36 - Step 6: Final answer
x = 156,689.55
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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.