Finding the Fourth Proportional to 149,828.80, 224,743.20 and 135,083.20
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Solution
The fourth proportional to 149,828.80, 224,743.20 and 135,083.20 is: 202,624.80
Step by Step Solution
- Step 1: Write the proportion equation
149,828.80 : 224,743.20 = 135,083.20 : x - Step 2: Convert to fraction form
149,828.80/224,743.20 = 135,083.20/x - Step 3: Cross multiply
149,828.80x = 224,743.20 × 135,083.20 - Step 4: Simplify right side
149,828.80x = 30,359,030,634.24 - Step 5: Solve for x
x = 30,359,030,634.24/149,828.80 - Step 6: Final answer
x = 202,624.80
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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.