Finding the Fourth Proportional to 250,218.65, 345,302.42 and 135,498.63
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Solution
The fourth proportional to 250,218.65, 345,302.42 and 135,498.63 is: 186,988.48
Step by Step Solution
- Step 1: Write the proportion equation
250,218.65 : 345,302.42 = 135,498.63 : x - Step 2: Convert to fraction form
250,218.65/345,302.42 = 135,498.63/x - Step 3: Cross multiply
250,218.65x = 345,302.42 × 135,498.63 - Step 4: Simplify right side
250,218.65x = 46,788,004,168.19 - Step 5: Solve for x
x = 46,788,004,168.19/250,218.65 - Step 6: Final answer
x = 186,988.48
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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.