Finding the Fourth Proportional to 541,447.75, 812,171.63 and 147,463.75
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Solution
The fourth proportional to 541,447.75, 812,171.63 and 147,463.75 is: 221,195.63
Step by Step Solution
- Step 1: Write the proportion equation
541,447.75 : 812,171.63 = 147,463.75 : x - Step 2: Convert to fraction form
541,447.75/812,171.63 = 147,463.75/x - Step 3: Cross multiply
541,447.75x = 812,171.63 × 147,463.75 - Step 4: Simplify right side
541,447.75x = 119,765,874,203.41 - Step 5: Solve for x
x = 119,765,874,203.41/541,447.75 - Step 6: Final answer
x = 221,195.63
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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.