Finding the Fourth Proportional to 250,951.36, 346,315.36 and 136,230.90
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Solution
The fourth proportional to 250,951.36, 346,315.36 and 136,230.90 is: 187,999.99
Step by Step Solution
- Step 1: Write the proportion equation
250,951.36 : 346,315.36 = 136,230.90 : x - Step 2: Convert to fraction form
250,951.36/346,315.36 = 136,230.90/x - Step 3: Cross multiply
250,951.36x = 346,315.36 × 136,230.90 - Step 4: Simplify right side
250,951.36x = 47,178,853,176.62 - Step 5: Solve for x
x = 47,178,853,176.62/250,951.36 - Step 6: Final answer
x = 187,999.99
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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.