Finding the Fourth Proportional to 258,516.70, 356,753.02 and 145,340.26
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Solution
The fourth proportional to 258,516.70, 356,753.02 and 145,340.26 is: 200,569.54
Step by Step Solution
- Step 1: Write the proportion equation
258,516.70 : 356,753.02 = 145,340.26 : x - Step 2: Convert to fraction form
258,516.70/356,753.02 = 145,340.26/x - Step 3: Cross multiply
258,516.70x = 356,753.02 × 145,340.26 - Step 4: Simplify right side
258,516.70x = 51,850,576,682.59 - Step 5: Solve for x
x = 51,850,576,682.59/258,516.70 - Step 6: Final answer
x = 200,569.54
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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.