Finding the Fourth Proportional to 194,985.76, 292,284.87 and 135,696.88
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Solution
The fourth proportional to 194,985.76, 292,284.87 and 135,696.88 is: 203,410.47
Step by Step Solution
- Step 1: Write the proportion equation
194,985.76 : 292,284.87 = 135,696.88 : x - Step 2: Convert to fraction form
194,985.76/292,284.87 = 135,696.88/x - Step 3: Cross multiply
194,985.76x = 292,284.87 × 135,696.88 - Step 4: Simplify right side
194,985.76x = 39,662,144,930.21 - Step 5: Solve for x
x = 39,662,144,930.21/194,985.76 - Step 6: Final answer
x = 203,410.47
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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.