Finding the Fourth Proportional to 239,121.93, 329,984.24 and 131,701.96
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Solution
The fourth proportional to 239,121.93, 329,984.24 and 131,701.96 is: 181,746.49
Step by Step Solution
- Step 1: Write the proportion equation
239,121.93 : 329,984.24 = 131,701.96 : x - Step 2: Convert to fraction form
239,121.93/329,984.24 = 131,701.96/x - Step 3: Cross multiply
239,121.93x = 329,984.24 × 131,701.96 - Step 4: Simplify right side
239,121.93x = 43,459,570,518.60 - Step 5: Solve for x
x = 43,459,570,518.60/239,121.93 - Step 6: Final answer
x = 181,746.49
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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.