Finding the Fourth Proportional to 415,682.08, 573,646.80 and 245,911.84
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Solution
The fourth proportional to 415,682.08, 573,646.80 and 245,911.84 is: 339,361.61
Step by Step Solution
- Step 1: Write the proportion equation
415,682.08 : 573,646.80 = 245,911.84 : x - Step 2: Convert to fraction form
415,682.08/573,646.80 = 245,911.84/x - Step 3: Cross multiply
415,682.08x = 573,646.80 × 245,911.84 - Step 4: Simplify right side
415,682.08x = 141,066,540,098.11 - Step 5: Solve for x
x = 141,066,540,098.11/415,682.08 - Step 6: Final answer
x = 339,361.61
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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.