Finding the Fourth Proportional to 665,489.24, 998,402.24 and 185,716.98
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Solution
The fourth proportional to 665,489.24, 998,402.24 and 185,716.98 is: 278,622.46
Step by Step Solution
- Step 1: Write the proportion equation
665,489.24 : 998,402.24 = 185,716.98 : x - Step 2: Convert to fraction form
665,489.24/998,402.24 = 185,716.98/x - Step 3: Cross multiply
665,489.24x = 998,402.24 × 185,716.98 - Step 4: Simplify right side
665,489.24x = 185,420,249,302.33 - Step 5: Solve for x
x = 185,420,249,302.33/665,489.24 - Step 6: Final answer
x = 278,622.46
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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.