Finding the Fourth Proportional to 285,372.18, 393,836.04 and 158,059.62
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Solution
The fourth proportional to 285,372.18, 393,836.04 and 158,059.62 is: 218,134.70
Step by Step Solution
- Step 1: Write the proportion equation
285,372.18 : 393,836.04 = 158,059.62 : x - Step 2: Convert to fraction form
285,372.18/393,836.04 = 158,059.62/x - Step 3: Cross multiply
285,372.18x = 393,836.04 × 158,059.62 - Step 4: Simplify right side
285,372.18x = 62,249,574,824.70 - Step 5: Solve for x
x = 62,249,574,824.70/285,372.18 - Step 6: Final answer
x = 218,134.70
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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.