Finding the Fourth Proportional to 245,502.24, 338,796.76 and 149,988.68
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Solution
The fourth proportional to 245,502.24, 338,796.76 and 149,988.68 is: 206,986.62
Step by Step Solution
- Step 1: Write the proportion equation
245,502.24 : 338,796.76 = 149,988.68 : x - Step 2: Convert to fraction form
245,502.24/338,796.76 = 149,988.68/x - Step 3: Cross multiply
245,502.24x = 338,796.76 × 149,988.68 - Step 4: Simplify right side
245,502.24x = 50,815,678,820.68 - Step 5: Solve for x
x = 50,815,678,820.68/245,502.24 - Step 6: Final answer
x = 206,986.62
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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.