Finding the Fourth Proportional to 250,153.58, 345,212.06 and 135,432.23
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Solution
The fourth proportional to 250,153.58, 345,212.06 and 135,432.23 is: 186,896.53
Step by Step Solution
- Step 1: Write the proportion equation
250,153.58 : 345,212.06 = 135,432.23 : x - Step 2: Convert to fraction form
250,153.58/345,212.06 = 135,432.23/x - Step 3: Cross multiply
250,153.58x = 345,212.06 × 135,432.23 - Step 4: Simplify right side
250,153.58x = 46,752,836,705.47 - Step 5: Solve for x
x = 46,752,836,705.47/250,153.58 - Step 6: Final answer
x = 186,896.53
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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.