Finding the Fourth Proportional to 99,746.96, 149,451.30 and 60,221.05
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Solution
The fourth proportional to 99,746.96, 149,451.30 and 60,221.05 is: 90,229.46
Step by Step Solution
- Step 1: Write the proportion equation
99,746.96 : 149,451.30 = 60,221.05 : x - Step 2: Convert to fraction form
99,746.96/149,451.30 = 60,221.05/x - Step 3: Cross multiply
99,746.96x = 149,451.30 × 60,221.05 - Step 4: Simplify right side
99,746.96x = 9,000,113,836.24 - Step 5: Solve for x
x = 9,000,113,836.24/99,746.96 - Step 6: Final answer
x = 90,229.46
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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.