Finding the Fourth Proportional to 266,744.70, 399,145.05 and 166,952.70
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Solution
The fourth proportional to 266,744.70, 399,145.05 and 166,952.70 is: 249,820.69
Step by Step Solution
- Step 1: Write the proportion equation
266,744.70 : 399,145.05 = 166,952.70 : x - Step 2: Convert to fraction form
266,744.70/399,145.05 = 166,952.70/x - Step 3: Cross multiply
266,744.70x = 399,145.05 × 166,952.70 - Step 4: Simplify right side
266,744.70x = 66,638,343,789.14 - Step 5: Solve for x
x = 66,638,343,789.14/266,744.70 - Step 6: Final answer
x = 249,820.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.