Finding the Fourth Proportional to 381,796.08, 572,458.80 and 129,052.68
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Solution
The fourth proportional to 381,796.08, 572,458.80 and 129,052.68 is: 193,499.48
Step by Step Solution
- Step 1: Write the proportion equation
381,796.08 : 572,458.80 = 129,052.68 : x - Step 2: Convert to fraction form
381,796.08/572,458.80 = 129,052.68/x - Step 3: Cross multiply
381,796.08x = 572,458.80 × 129,052.68 - Step 4: Simplify right side
381,796.08x = 73,877,342,329.58 - Step 5: Solve for x
x = 73,877,342,329.58/381,796.08 - Step 6: Final answer
x = 193,499.48
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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.