Finding the Fourth Proportional to 266,508.71, 367,782.98 and 145,649.96
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Solution
The fourth proportional to 266,508.71, 367,782.98 and 145,649.96 is: 200,997.47
Step by Step Solution
- Step 1: Write the proportion equation
266,508.71 : 367,782.98 = 145,649.96 : x - Step 2: Convert to fraction form
266,508.71/367,782.98 = 145,649.96/x - Step 3: Cross multiply
266,508.71x = 367,782.98 × 145,649.96 - Step 4: Simplify right side
266,508.71x = 53,567,576,325.68 - Step 5: Solve for x
x = 53,567,576,325.68/266,508.71 - Step 6: Final answer
x = 200,997.47
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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.