Finding the Fourth Proportional to 250,515.48, 345,710.08 and 135,793.68
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Solution
The fourth proportional to 250,515.48, 345,710.08 and 135,793.68 is: 187,394.58
Step by Step Solution
- Step 1: Write the proportion equation
250,515.48 : 345,710.08 = 135,793.68 : x - Step 2: Convert to fraction form
250,515.48/345,710.08 = 135,793.68/x - Step 3: Cross multiply
250,515.48x = 345,710.08 × 135,793.68 - Step 4: Simplify right side
250,515.48x = 46,945,243,976.29 - Step 5: Solve for x
x = 46,945,243,976.29/250,515.48 - Step 6: Final answer
x = 187,394.58
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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.