Finding the Fourth Proportional to 226,479.60, 339,719.40 and 201,985.20
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Solution
The fourth proportional to 226,479.60, 339,719.40 and 201,985.20 is: 302,977.80
Step by Step Solution
- Step 1: Write the proportion equation
226,479.60 : 339,719.40 = 201,985.20 : x - Step 2: Convert to fraction form
226,479.60/339,719.40 = 201,985.20/x - Step 3: Cross multiply
226,479.60x = 339,719.40 × 201,985.20 - Step 4: Simplify right side
226,479.60x = 68,618,290,952.88 - Step 5: Solve for x
x = 68,618,290,952.88/226,479.60 - Step 6: Final answer
x = 302,977.80
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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.