Finding the Fourth Proportional to 303,553.78, 418,904.83 and 167,587.99
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Solution
The fourth proportional to 303,553.78, 418,904.83 and 167,587.99 is: 231,271.76
Step by Step Solution
- Step 1: Write the proportion equation
303,553.78 : 418,904.83 = 167,587.99 : x - Step 2: Convert to fraction form
303,553.78/418,904.83 = 167,587.99/x - Step 3: Cross multiply
303,553.78x = 418,904.83 × 167,587.99 - Step 4: Simplify right side
303,553.78x = 70,203,416,366.47 - Step 5: Solve for x
x = 70,203,416,366.47/303,553.78 - Step 6: Final answer
x = 231,271.76
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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.