Finding the Fourth Proportional to 170,490.12, 235,230.21 and 96,901.53
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Solution
The fourth proportional to 170,490.12, 235,230.21 and 96,901.53 is: 133,697.88
Step by Step Solution
- Step 1: Write the proportion equation
170,490.12 : 235,230.21 = 96,901.53 : x - Step 2: Convert to fraction form
170,490.12/235,230.21 = 96,901.53/x - Step 3: Cross multiply
170,490.12x = 235,230.21 × 96,901.53 - Step 4: Simplify right side
170,490.12x = 22,794,167,251.22 - Step 5: Solve for x
x = 22,794,167,251.22/170,490.12 - Step 6: Final answer
x = 133,697.88
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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.