Finding the Fourth Proportional to 239,795.96, 330,922.48 and 130,905.91
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Solution
The fourth proportional to 239,795.96, 330,922.48 and 130,905.91 is: 180,652.37
Step by Step Solution
- Step 1: Write the proportion equation
239,795.96 : 330,922.48 = 130,905.91 : x - Step 2: Convert to fraction form
239,795.96/330,922.48 = 130,905.91/x - Step 3: Cross multiply
239,795.96x = 330,922.48 × 130,905.91 - Step 4: Simplify right side
239,795.96x = 43,319,707,229.29 - Step 5: Solve for x
x = 43,319,707,229.29/239,795.96 - Step 6: Final answer
x = 180,652.37
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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.