Finding the Fourth Proportional to 769,178.58, 1,153,877.22 and 236,743.98
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Solution
The fourth proportional to 769,178.58, 1,153,877.22 and 236,743.98 is: 355,149.63
Step by Step Solution
- Step 1: Write the proportion equation
769,178.58 : 1,153,877.22 = 236,743.98 : x - Step 2: Convert to fraction form
769,178.58/1,153,877.22 = 236,743.98/x - Step 3: Cross multiply
769,178.58x = 1,153,877.22 × 236,743.98 - Step 4: Simplify right side
769,178.58x = 273,173,485,494.14 - Step 5: Solve for x
x = 273,173,485,494.14/769,178.58 - Step 6: Final answer
x = 355,149.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.