Finding the Fourth Proportional to 266,030.43, 367,129.79 and 145,179.52
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Solution
The fourth proportional to 266,030.43, 367,129.79 and 145,179.52 is: 200,351.99
Step by Step Solution
- Step 1: Write the proportion equation
266,030.43 : 367,129.79 = 145,179.52 : x - Step 2: Convert to fraction form
266,030.43/367,129.79 = 145,179.52/x - Step 3: Cross multiply
266,030.43x = 367,129.79 × 145,179.52 - Step 4: Simplify right side
266,030.43x = 53,299,724,854.25 - Step 5: Solve for x
x = 53,299,724,854.25/266,030.43 - Step 6: Final answer
x = 200,351.99
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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.