Finding the Fourth Proportional to 403,324.83, 556,576.65 and 231,237.09
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Solution
The fourth proportional to 403,324.83, 556,576.65 and 231,237.09 is: 319,100.52
Step by Step Solution
- Step 1: Write the proportion equation
403,324.83 : 556,576.65 = 231,237.09 : x - Step 2: Convert to fraction form
403,324.83/556,576.65 = 231,237.09/x - Step 3: Cross multiply
403,324.83x = 556,576.65 × 231,237.09 - Step 4: Simplify right side
403,324.83x = 128,701,164,907.95 - Step 5: Solve for x
x = 128,701,164,907.95/403,324.83 - Step 6: Final answer
x = 319,100.52
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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.