Finding the Fourth Proportional to 141,310.17, 194,980.50 and 90,283.68
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Solution
The fourth proportional to 141,310.17, 194,980.50 and 90,283.68 is: 124,573.89
Step by Step Solution
- Step 1: Write the proportion equation
141,310.17 : 194,980.50 = 90,283.68 : x - Step 2: Convert to fraction form
141,310.17/194,980.50 = 90,283.68/x - Step 3: Cross multiply
141,310.17x = 194,980.50 × 90,283.68 - Step 4: Simplify right side
141,310.17x = 17,603,557,068.24 - Step 5: Solve for x
x = 17,603,557,068.24/141,310.17 - Step 6: Final answer
x = 124,573.89
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.