Finding the Fourth Proportional to 338,321.87, 507,323.87 and 196,207.53
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Solution
The fourth proportional to 338,321.87, 507,323.87 and 196,207.53 is: 294,219.12
Step by Step Solution
- Step 1: Write the proportion equation
338,321.87 : 507,323.87 = 196,207.53 : x - Step 2: Convert to fraction form
338,321.87/507,323.87 = 196,207.53/x - Step 3: Cross multiply
338,321.87x = 507,323.87 × 196,207.53 - Step 4: Simplify right side
338,321.87x = 99,540,763,442.74 - Step 5: Solve for x
x = 99,540,763,442.74/338,321.87 - Step 6: Final answer
x = 294,219.12
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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.