Finding the Fourth Proportional to 322,495.14, 445,048.64 and 177,307.07
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Solution
The fourth proportional to 322,495.14, 445,048.64 and 177,307.07 is: 244,686.69
Step by Step Solution
- Step 1: Write the proportion equation
322,495.14 : 445,048.64 = 177,307.07 : x - Step 2: Convert to fraction form
322,495.14/445,048.64 = 177,307.07/x - Step 3: Cross multiply
322,495.14x = 445,048.64 × 177,307.07 - Step 4: Simplify right side
322,495.14x = 78,910,267,254.11 - Step 5: Solve for x
x = 78,910,267,254.11/322,495.14 - Step 6: Final answer
x = 244,686.69
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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.