Finding the Fourth Proportional to 129,573.60, 194,446.80 and 59,416.80
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Solution
The fourth proportional to 129,573.60, 194,446.80 and 59,416.80 is: 89,164.82
Step by Step Solution
- Step 1: Write the proportion equation
129,573.60 : 194,446.80 = 59,416.80 : x - Step 2: Convert to fraction form
129,573.60/194,446.80 = 59,416.80/x - Step 3: Cross multiply
129,573.60x = 194,446.80 × 59,416.80 - Step 4: Simplify right side
129,573.60x = 11,553,406,626.24 - Step 5: Solve for x
x = 11,553,406,626.24/129,573.60 - Step 6: Final answer
x = 89,164.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.