Finding the Fourth Proportional to 178,757.47, 246,702.44 and 102,261.38
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Solution
The fourth proportional to 178,757.47, 246,702.44 and 102,261.38 is: 141,130.50
Step by Step Solution
- Step 1: Write the proportion equation
178,757.47 : 246,702.44 = 102,261.38 : x - Step 2: Convert to fraction form
178,757.47/246,702.44 = 102,261.38/x - Step 3: Cross multiply
178,757.47x = 246,702.44 × 102,261.38 - Step 4: Simplify right side
178,757.47x = 25,228,130,730.26 - Step 5: Solve for x
x = 25,228,130,730.26/178,757.47 - Step 6: Final answer
x = 141,130.50
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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.