Finding the Fourth Proportional to 250,807.41, 346,124.21 and 137,634.21
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Solution
The fourth proportional to 250,807.41, 346,124.21 and 137,634.21 is: 189,940.69
Step by Step Solution
- Step 1: Write the proportion equation
250,807.41 : 346,124.21 = 137,634.21 : x - Step 2: Convert to fraction form
250,807.41/346,124.21 = 137,634.21/x - Step 3: Cross multiply
250,807.41x = 346,124.21 × 137,634.21 - Step 4: Simplify right side
250,807.41x = 47,638,531,517.05 - Step 5: Solve for x
x = 47,638,531,517.05/250,807.41 - Step 6: Final answer
x = 189,940.69
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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.