Finding the Fourth Proportional to 217,068.19, 299,389.38 and 190,163.99
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Solution
The fourth proportional to 217,068.19, 299,389.38 and 190,163.99 is: 262,282.00
Step by Step Solution
- Step 1: Write the proportion equation
217,068.19 : 299,389.38 = 190,163.99 : x - Step 2: Convert to fraction form
217,068.19/299,389.38 = 190,163.99/x - Step 3: Cross multiply
217,068.19x = 299,389.38 × 190,163.99 - Step 4: Simplify right side
217,068.19x = 56,933,079,064.43 - Step 5: Solve for x
x = 56,933,079,064.43/217,068.19 - Step 6: Final answer
x = 262,282.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.