Finding the Fourth Proportional to 202,416.99, 303,239.12 and 113,401.23
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Solution
The fourth proportional to 202,416.99, 303,239.12 and 113,401.23 is: 169,885.39
Step by Step Solution
- Step 1: Write the proportion equation
202,416.99 : 303,239.12 = 113,401.23 : x - Step 2: Convert to fraction form
202,416.99/303,239.12 = 113,401.23/x - Step 3: Cross multiply
202,416.99x = 303,239.12 × 113,401.23 - Step 4: Simplify right side
202,416.99x = 34,387,688,625.11 - Step 5: Solve for x
x = 34,387,688,625.11/202,416.99 - Step 6: Final answer
x = 169,885.39
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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.