Finding the Fourth Proportional to 324,270.81, 447,475.05 and 181,039.95
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Solution
The fourth proportional to 324,270.81, 447,475.05 and 181,039.95 is: 249,824.71
Step by Step Solution
- Step 1: Write the proportion equation
324,270.81 : 447,475.05 = 181,039.95 : x - Step 2: Convert to fraction form
324,270.81/447,475.05 = 181,039.95/x - Step 3: Cross multiply
324,270.81x = 447,475.05 × 181,039.95 - Step 4: Simplify right side
324,270.81x = 81,010,860,678.25 - Step 5: Solve for x
x = 81,010,860,678.25/324,270.81 - Step 6: Final answer
x = 249,824.71
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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.