Finding the Fourth Proportional to 153,930.42, 230,902.11 and 48,747.06
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Solution
The fourth proportional to 153,930.42, 230,902.11 and 48,747.06 is: 73,122.64
Step by Step Solution
- Step 1: Write the proportion equation
153,930.42 : 230,902.11 = 48,747.06 : x - Step 2: Convert to fraction form
153,930.42/230,902.11 = 48,747.06/x - Step 3: Cross multiply
153,930.42x = 230,902.11 × 48,747.06 - Step 4: Simplify right side
153,930.42x = 11,255,799,010.30 - Step 5: Solve for x
x = 11,255,799,010.30/153,930.42 - Step 6: Final answer
x = 73,122.64
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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.