Finding the Fourth Proportional to 490,539.44, 735,807.36 and 135,552.80
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Solution
The fourth proportional to 490,539.44, 735,807.36 and 135,552.80 is: 203,328.70
Step by Step Solution
- Step 1: Write the proportion equation
490,539.44 : 735,807.36 = 135,552.80 : x - Step 2: Convert to fraction form
490,539.44/735,807.36 = 135,552.80/x - Step 3: Cross multiply
490,539.44x = 735,807.36 × 135,552.80 - Step 4: Simplify right side
490,539.44x = 99,740,747,908.61 - Step 5: Solve for x
x = 99,740,747,908.61/490,539.44 - Step 6: Final answer
x = 203,328.70
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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.