Finding the Fourth Proportional to 228,574.35, 315,452.12 and 133,110.99
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Solution
The fourth proportional to 228,574.35, 315,452.12 and 133,110.99 is: 183,704.53
Step by Step Solution
- Step 1: Write the proportion equation
228,574.35 : 315,452.12 = 133,110.99 : x - Step 2: Convert to fraction form
228,574.35/315,452.12 = 133,110.99/x - Step 3: Cross multiply
228,574.35x = 315,452.12 × 133,110.99 - Step 4: Simplify right side
228,574.35x = 41,990,143,325.24 - Step 5: Solve for x
x = 41,990,143,325.24/228,574.35 - Step 6: Final answer
x = 183,704.53
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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.