Finding the Fourth Proportional to 250,152.24, 345,210.66 and 135,432.09
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Solution
The fourth proportional to 250,152.24, 345,210.66 and 135,432.09 is: 186,896.59
Step by Step Solution
- Step 1: Write the proportion equation
250,152.24 : 345,210.66 = 135,432.09 : x - Step 2: Convert to fraction form
250,152.24/345,210.66 = 135,432.09/x - Step 3: Cross multiply
250,152.24x = 345,210.66 × 135,432.09 - Step 4: Simplify right side
250,152.24x = 46,752,601,174.08 - Step 5: Solve for x
x = 46,752,601,174.08/250,152.24 - Step 6: Final answer
x = 186,896.59
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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.