Finding the Fourth Proportional to 368,575.98, 508,791.78 and 247,787.31
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Solution
The fourth proportional to 368,575.98, 508,791.78 and 247,787.31 is: 342,051.99
Step by Step Solution
- Step 1: Write the proportion equation
368,575.98 : 508,791.78 = 247,787.31 : x - Step 2: Convert to fraction form
368,575.98/508,791.78 = 247,787.31/x - Step 3: Cross multiply
368,575.98x = 508,791.78 × 247,787.31 - Step 4: Simplify right side
368,575.98x = 126,072,146,516.31 - Step 5: Solve for x
x = 126,072,146,516.31/368,575.98 - Step 6: Final answer
x = 342,051.99
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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.