Finding the Fourth Proportional to 303,089.11, 418,254.91 and 167,120.75
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Solution
The fourth proportional to 303,089.11, 418,254.91 and 167,120.75 is: 230,622.19
Step by Step Solution
- Step 1: Write the proportion equation
303,089.11 : 418,254.91 = 167,120.75 : x - Step 2: Convert to fraction form
303,089.11/418,254.91 = 167,120.75/x - Step 3: Cross multiply
303,089.11x = 418,254.91 × 167,120.75 - Step 4: Simplify right side
303,089.11x = 69,899,074,878.22 - Step 5: Solve for x
x = 69,899,074,878.22/303,089.11 - Step 6: Final answer
x = 230,622.19
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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.