Finding the Fourth Proportional to 398,282.85, 597,202.88 and 131,898.08
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Solution
The fourth proportional to 398,282.85, 597,202.88 and 131,898.08 is: 197,773.80
Step by Step Solution
- Step 1: Write the proportion equation
398,282.85 : 597,202.88 = 131,898.08 : x - Step 2: Convert to fraction form
398,282.85/597,202.88 = 131,898.08/x - Step 3: Cross multiply
398,282.85x = 597,202.88 × 131,898.08 - Step 4: Simplify right side
398,282.85x = 78,769,914,075.99 - Step 5: Solve for x
x = 78,769,914,075.99/398,282.85 - Step 6: Final answer
x = 197,773.80
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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.