Finding the Fourth Proportional to 665,338.28, 997,992.98 and 185,553.28
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Solution
The fourth proportional to 665,338.28, 997,992.98 and 185,553.28 is: 278,325.88
Step by Step Solution
- Step 1: Write the proportion equation
665,338.28 : 997,992.98 = 185,553.28 : x - Step 2: Convert to fraction form
665,338.28/997,992.98 = 185,553.28/x - Step 3: Cross multiply
665,338.28x = 997,992.98 × 185,553.28 - Step 4: Simplify right side
665,338.28x = 185,180,864,938.24 - Step 5: Solve for x
x = 185,180,864,938.24/665,338.28 - Step 6: Final answer
x = 278,325.88
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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.