Finding the Fourth Proportional to 250,129.99, 345,179.02 and 135,408.07
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Solution
The fourth proportional to 250,129.99, 345,179.02 and 135,408.07 is: 186,862.94
Step by Step Solution
- Step 1: Write the proportion equation
250,129.99 : 345,179.02 = 135,408.07 : x - Step 2: Convert to fraction form
250,129.99/345,179.02 = 135,408.07/x - Step 3: Cross multiply
250,129.99x = 345,179.02 × 135,408.07 - Step 4: Simplify right side
250,129.99x = 46,740,024,902.69 - Step 5: Solve for x
x = 46,740,024,902.69/250,129.99 - Step 6: Final answer
x = 186,862.94
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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.