Finding the Fourth Proportional to 194,361.60, 268,122.24 and 130,702.08
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Solution
The fourth proportional to 194,361.60, 268,122.24 and 130,702.08 is: 180,303.80
Step by Step Solution
- Step 1: Write the proportion equation
194,361.60 : 268,122.24 = 130,702.08 : x - Step 2: Convert to fraction form
194,361.60/268,122.24 = 130,702.08/x - Step 3: Cross multiply
194,361.60x = 268,122.24 × 130,702.08 - Step 4: Simplify right side
194,361.60x = 35,044,134,462.26 - Step 5: Solve for x
x = 35,044,134,462.26/194,361.60 - Step 6: Final answer
x = 180,303.80
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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.