Finding the Fourth Proportional to 245,231.80, 367,847.70 and 97,487.80
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Solution
The fourth proportional to 245,231.80, 367,847.70 and 97,487.80 is: 146,231.70
Step by Step Solution
- Step 1: Write the proportion equation
245,231.80 : 367,847.70 = 97,487.80 : x - Step 2: Convert to fraction form
245,231.80/367,847.70 = 97,487.80/x - Step 3: Cross multiply
245,231.80x = 367,847.70 × 97,487.80 - Step 4: Simplify right side
245,231.80x = 35,860,663,008.06 - Step 5: Solve for x
x = 35,860,663,008.06/245,231.80 - Step 6: Final answer
x = 146,231.70
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1.5x scale
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.