Finding the Fourth Proportional to 322,666.95, 445,291.21 and 177,478.88
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Solution
The fourth proportional to 322,666.95, 445,291.21 and 177,478.88 is: 244,926.80
Step by Step Solution
- Step 1: Write the proportion equation
322,666.95 : 445,291.21 = 177,478.88 : x - Step 2: Convert to fraction form
322,666.95/445,291.21 = 177,478.88/x - Step 3: Cross multiply
322,666.95x = 445,291.21 × 177,478.88 - Step 4: Simplify right side
322,666.95x = 79,029,782,998.19 - Step 5: Solve for x
x = 79,029,782,998.19/322,666.95 - Step 6: Final answer
x = 244,926.80
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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.