Finding the Fourth Proportional to 97,405.20, 146,107.80 and 93,468.60
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Solution
The fourth proportional to 97,405.20, 146,107.80 and 93,468.60 is: 140,202.90
Step by Step Solution
- Step 1: Write the proportion equation
97,405.20 : 146,107.80 = 93,468.60 : x - Step 2: Convert to fraction form
97,405.20/146,107.80 = 93,468.60/x - Step 3: Cross multiply
97,405.20x = 146,107.80 × 93,468.60 - Step 4: Simplify right side
97,405.20x = 13,656,491,515.08 - Step 5: Solve for x
x = 13,656,491,515.08/97,405.20 - Step 6: Final answer
x = 140,202.90
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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.