Finding the Fourth Proportional to 236,946.98, 355,438.79 and 79,175.98
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Solution
The fourth proportional to 236,946.98, 355,438.79 and 79,175.98 is: 118,770.09
Step by Step Solution
- Step 1: Write the proportion equation
236,946.98 : 355,438.79 = 79,175.98 : x - Step 2: Convert to fraction form
236,946.98/355,438.79 = 79,175.98/x - Step 3: Cross multiply
236,946.98x = 355,438.79 × 79,175.98 - Step 4: Simplify right side
236,946.98x = 28,142,214,528.26 - Step 5: Solve for x
x = 28,142,214,528.26/236,946.98 - Step 6: Final answer
x = 118,770.09
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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.