Finding the Fourth Proportional to 166,743.18, 229,950.14 and 154,358.26
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Solution
The fourth proportional to 166,743.18, 229,950.14 and 154,358.26 is: 212,870.49
Step by Step Solution
- Step 1: Write the proportion equation
166,743.18 : 229,950.14 = 154,358.26 : x - Step 2: Convert to fraction form
166,743.18/229,950.14 = 154,358.26/x - Step 3: Cross multiply
166,743.18x = 229,950.14 × 154,358.26 - Step 4: Simplify right side
166,743.18x = 35,494,703,018.76 - Step 5: Solve for x
x = 35,494,703,018.76/166,743.18 - Step 6: Final answer
x = 212,870.49
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1.5x scale
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.