Finding the Fourth Proportional to 266,212.71, 367,370.74 and 145,353.62
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Solution
The fourth proportional to 266,212.71, 367,370.74 and 145,353.62 is: 200,586.47
Step by Step Solution
- Step 1: Write the proportion equation
266,212.71 : 367,370.74 = 145,353.62 : x - Step 2: Convert to fraction form
266,212.71/367,370.74 = 145,353.62/x - Step 3: Cross multiply
266,212.71x = 367,370.74 × 145,353.62 - Step 4: Simplify right side
266,212.71x = 53,398,668,041.20 - Step 5: Solve for x
x = 53,398,668,041.20/266,212.71 - Step 6: Final answer
x = 200,586.47
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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.