Finding the Fourth Proportional to 304,945.18, 420,818.06 and 168,977.94
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Solution
The fourth proportional to 304,945.18, 420,818.06 and 168,977.94 is: 233,186.07
Step by Step Solution
- Step 1: Write the proportion equation
304,945.18 : 420,818.06 = 168,977.94 : x - Step 2: Convert to fraction form
304,945.18/420,818.06 = 168,977.94/x - Step 3: Cross multiply
304,945.18x = 420,818.06 × 168,977.94 - Step 4: Simplify right side
304,945.18x = 71,108,968,893.60 - Step 5: Solve for x
x = 71,108,968,893.60/304,945.18 - Step 6: Final answer
x = 233,186.07
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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.