Finding the Fourth Proportional to 665,622.70, 998,579.85 and 266,163.10
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Solution
The fourth proportional to 665,622.70, 998,579.85 and 266,163.10 is: 399,302.95
Step by Step Solution
- Step 1: Write the proportion equation
665,622.70 : 998,579.85 = 266,163.10 : x - Step 2: Convert to fraction form
665,622.70/998,579.85 = 266,163.10/x - Step 3: Cross multiply
665,622.70x = 998,579.85 × 266,163.10 - Step 4: Simplify right side
665,622.70x = 265,785,108,473.54 - Step 5: Solve for x
x = 265,785,108,473.54/665,622.70 - Step 6: Final answer
x = 399,302.95
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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.