Finding the Fourth Proportional to 250,201.41, 345,302.67 and 142,787.59
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Solution
The fourth proportional to 250,201.41, 345,302.67 and 142,787.59 is: 197,060.99
Step by Step Solution
- Step 1: Write the proportion equation
250,201.41 : 345,302.67 = 142,787.59 : x - Step 2: Convert to fraction form
250,201.41/345,302.67 = 142,787.59/x - Step 3: Cross multiply
250,201.41x = 345,302.67 × 142,787.59 - Step 4: Simplify right side
250,201.41x = 49,304,937,684.39 - Step 5: Solve for x
x = 49,304,937,684.39/250,201.41 - Step 6: Final answer
x = 197,060.99
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1.5x scale
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.