Finding the Fourth Proportional to 170,359.14, 234,967.05 and 160,313.70
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Solution
The fourth proportional to 170,359.14, 234,967.05 and 160,313.70 is: 221,111.92
Step by Step Solution
- Step 1: Write the proportion equation
170,359.14 : 234,967.05 = 160,313.70 : x - Step 2: Convert to fraction form
170,359.14/234,967.05 = 160,313.70/x - Step 3: Cross multiply
170,359.14x = 234,967.05 × 160,313.70 - Step 4: Simplify right side
170,359.14x = 37,668,437,163.59 - Step 5: Solve for x
x = 37,668,437,163.59/170,359.14 - Step 6: Final answer
x = 221,111.92
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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.