Finding the Fourth Proportional to 324,688.14, 448,068.30 and 181,448.14
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Solution
The fourth proportional to 324,688.14, 448,068.30 and 181,448.14 is: 250,397.69
Step by Step Solution
- Step 1: Write the proportion equation
324,688.14 : 448,068.30 = 181,448.14 : x - Step 2: Convert to fraction form
324,688.14/448,068.30 = 181,448.14/x - Step 3: Cross multiply
324,688.14x = 448,068.30 × 181,448.14 - Step 4: Simplify right side
324,688.14x = 81,301,159,627.96 - Step 5: Solve for x
x = 81,301,159,627.96/324,688.14 - Step 6: Final answer
x = 250,397.69
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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.