Finding the Fourth Proportional to 250,394.19, 345,543.42 and 135,675.96
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Solution
The fourth proportional to 250,394.19, 345,543.42 and 135,675.96 is: 187,232.52
Step by Step Solution
- Step 1: Write the proportion equation
250,394.19 : 345,543.42 = 135,675.96 : x - Step 2: Convert to fraction form
250,394.19/345,543.42 = 135,675.96/x - Step 3: Cross multiply
250,394.19x = 345,543.42 × 135,675.96 - Step 4: Simplify right side
250,394.19x = 46,881,935,623.68 - Step 5: Solve for x
x = 46,881,935,623.68/250,394.19 - Step 6: Final answer
x = 187,232.52
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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.