Finding the Fourth Proportional to 226,262.73, 312,232.47 and 135,668.70
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Solution
The fourth proportional to 226,262.73, 312,232.47 and 135,668.70 is: 187,216.75
Step by Step Solution
- Step 1: Write the proportion equation
226,262.73 : 312,232.47 = 135,668.70 : x - Step 2: Convert to fraction form
226,262.73/312,232.47 = 135,668.70/x - Step 3: Cross multiply
226,262.73x = 312,232.47 × 135,668.70 - Step 4: Simplify right side
226,262.73x = 42,360,173,302.69 - Step 5: Solve for x
x = 42,360,173,302.69/226,262.73 - Step 6: Final answer
x = 187,216.75
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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.