Finding the Fourth Proportional to 319,507.79, 479,361.14 and 94,869.40
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Solution
The fourth proportional to 319,507.79, 479,361.14 and 94,869.40 is: 142,333.63
Step by Step Solution
- Step 1: Write the proportion equation
319,507.79 : 479,361.14 = 94,869.40 : x - Step 2: Convert to fraction form
319,507.79/479,361.14 = 94,869.40/x - Step 3: Cross multiply
319,507.79x = 479,361.14 × 94,869.40 - Step 4: Simplify right side
319,507.79x = 45,476,704,665.13 - Step 5: Solve for x
x = 45,476,704,665.13/319,507.79 - Step 6: Final answer
x = 142,333.63
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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.