Finding the Fourth Proportional to 239,335.08, 330,269.58 and 131,883.72
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Solution
The fourth proportional to 239,335.08, 330,269.58 and 131,883.72 is: 181,992.46
Step by Step Solution
- Step 1: Write the proportion equation
239,335.08 : 330,269.58 = 131,883.72 : x - Step 2: Convert to fraction form
239,335.08/330,269.58 = 131,883.72/x - Step 3: Cross multiply
239,335.08x = 330,269.58 × 131,883.72 - Step 4: Simplify right side
239,335.08x = 43,557,180,813.24 - Step 5: Solve for x
x = 43,557,180,813.24/239,335.08 - Step 6: Final answer
x = 181,992.46
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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.