Finding the Fourth Proportional to 446,910.99, 669,468.95 and 206,688.18
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Solution
The fourth proportional to 446,910.99, 669,468.95 and 206,688.18 is: 309,617.17
Step by Step Solution
- Step 1: Write the proportion equation
446,910.99 : 669,468.95 = 206,688.18 : x - Step 2: Convert to fraction form
446,910.99/669,468.95 = 206,688.18/x - Step 3: Cross multiply
446,910.99x = 669,468.95 × 206,688.18 - Step 4: Simplify right side
446,910.99x = 138,371,317,808.57 - Step 5: Solve for x
x = 138,371,317,808.57/446,910.99 - Step 6: Final answer
x = 309,617.17
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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.