Finding the Fourth Proportional to 239,316.08, 330,258.36 and 131,889.94
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Solution
The fourth proportional to 239,316.08, 330,258.36 and 131,889.94 is: 182,009.31
Step by Step Solution
- Step 1: Write the proportion equation
239,316.08 : 330,258.36 = 131,889.94 : x - Step 2: Convert to fraction form
239,316.08/330,258.36 = 131,889.94/x - Step 3: Cross multiply
239,316.08x = 330,258.36 × 131,889.94 - Step 4: Simplify right side
239,316.08x = 43,557,755,284.90 - Step 5: Solve for x
x = 43,557,755,284.90/239,316.08 - Step 6: Final answer
x = 182,009.31
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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.