Finding the Fourth Proportional to 434,562.60, 651,819.60 and 135,040.80
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Solution
The fourth proportional to 434,562.60, 651,819.60 and 135,040.80 is: 202,553.65
Step by Step Solution
- Step 1: Write the proportion equation
434,562.60 : 651,819.60 = 135,040.80 : x - Step 2: Convert to fraction form
434,562.60/651,819.60 = 135,040.80/x - Step 3: Cross multiply
434,562.60x = 651,819.60 × 135,040.80 - Step 4: Simplify right side
434,562.60x = 88,022,240,239.68 - Step 5: Solve for x
x = 88,022,240,239.68/434,562.60 - Step 6: Final answer
x = 202,553.65
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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.