Finding the Fourth Proportional to 446,326.96, 669,603.76 and 206,613.68
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Solution
The fourth proportional to 446,326.96, 669,603.76 and 206,613.68 is: 309,972.98
Step by Step Solution
- Step 1: Write the proportion equation
446,326.96 : 669,603.76 = 206,613.68 : x - Step 2: Convert to fraction form
446,326.96/669,603.76 = 206,613.68/x - Step 3: Cross multiply
446,326.96x = 669,603.76 × 206,613.68 - Step 4: Simplify right side
446,326.96x = 138,349,296,995.44 - Step 5: Solve for x
x = 138,349,296,995.44/446,326.96 - Step 6: Final answer
x = 309,972.98
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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.