Finding the Fourth Proportional to 201,442.80, 302,397.60 and 108,130.80
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Solution
The fourth proportional to 201,442.80, 302,397.60 and 108,130.80 is: 162,321.48
Step by Step Solution
- Step 1: Write the proportion equation
201,442.80 : 302,397.60 = 108,130.80 : x - Step 2: Convert to fraction form
201,442.80/302,397.60 = 108,130.80/x - Step 3: Cross multiply
201,442.80x = 302,397.60 × 108,130.80 - Step 4: Simplify right side
201,442.80x = 32,698,494,406.08 - Step 5: Solve for x
x = 32,698,494,406.08/201,442.80 - Step 6: Final answer
x = 162,321.48
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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.