Finding the Fourth Proportional to 437,737.80, 656,525.70 and 122,129.40
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Solution
The fourth proportional to 437,737.80, 656,525.70 and 122,129.40 is: 183,171.50
Step by Step Solution
- Step 1: Write the proportion equation
437,737.80 : 656,525.70 = 122,129.40 : x - Step 2: Convert to fraction form
437,737.80/656,525.70 = 122,129.40/x - Step 3: Cross multiply
437,737.80x = 656,525.70 × 122,129.40 - Step 4: Simplify right side
437,737.80x = 80,181,089,825.58 - Step 5: Solve for x
x = 80,181,089,825.58/437,737.80 - Step 6: Final answer
x = 183,171.50
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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.