Finding the Fourth Proportional to 331,929.36, 458,057.52 and 181,026.36
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Solution
The fourth proportional to 331,929.36, 458,057.52 and 181,026.36 is: 249,813.65
Step by Step Solution
- Step 1: Write the proportion equation
331,929.36 : 458,057.52 = 181,026.36 : x - Step 2: Convert to fraction form
331,929.36/458,057.52 = 181,026.36/x - Step 3: Cross multiply
331,929.36x = 458,057.52 × 181,026.36 - Step 4: Simplify right side
331,929.36x = 82,920,485,516.23 - Step 5: Solve for x
x = 82,920,485,516.23/331,929.36 - Step 6: Final answer
x = 249,813.65
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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.