Finding the Fourth Proportional to 239,122.93, 329,985.61 and 131,702.96
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Solution
The fourth proportional to 239,122.93, 329,985.61 and 131,702.96 is: 181,747.86
Step by Step Solution
- Step 1: Write the proportion equation
239,122.93 : 329,985.61 = 131,702.96 : x - Step 2: Convert to fraction form
239,122.93/329,985.61 = 131,702.96/x - Step 3: Cross multiply
239,122.93x = 329,985.61 × 131,702.96 - Step 4: Simplify right side
239,122.93x = 43,460,081,594.41 - Step 5: Solve for x
x = 43,460,081,594.41/239,122.93 - Step 6: Final answer
x = 181,747.86
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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.