Finding the Fourth Proportional to 248,902.20, 373,353.30 and 136,927.80
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Solution
The fourth proportional to 248,902.20, 373,353.30 and 136,927.80 is: 205,391.70
Step by Step Solution
- Step 1: Write the proportion equation
248,902.20 : 373,353.30 = 136,927.80 : x - Step 2: Convert to fraction form
248,902.20/373,353.30 = 136,927.80/x - Step 3: Cross multiply
248,902.20x = 373,353.30 × 136,927.80 - Step 4: Simplify right side
248,902.20x = 51,122,445,991.74 - Step 5: Solve for x
x = 51,122,445,991.74/248,902.20 - Step 6: Final answer
x = 205,391.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.