Finding the Fourth Proportional to 266,306.71, 367,511.23 and 145,453.70
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Solution
The fourth proportional to 266,306.71, 367,511.23 and 145,453.70 is: 200,730.46
Step by Step Solution
- Step 1: Write the proportion equation
266,306.71 : 367,511.23 = 145,453.70 : x - Step 2: Convert to fraction form
266,306.71/367,511.23 = 145,453.70/x - Step 3: Cross multiply
266,306.71x = 367,511.23 × 145,453.70 - Step 4: Simplify right side
266,306.71x = 53,455,868,195.05 - Step 5: Solve for x
x = 53,455,868,195.05/266,306.71 - Step 6: Final answer
x = 200,730.46
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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.