Finding the Fourth Proportional to 225,675.99, 338,530.32 and 75,915.63
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Solution
The fourth proportional to 225,675.99, 338,530.32 and 75,915.63 is: 113,878.94
Step by Step Solution
- Step 1: Write the proportion equation
225,675.99 : 338,530.32 = 75,915.63 : x - Step 2: Convert to fraction form
225,675.99/338,530.32 = 75,915.63/x - Step 3: Cross multiply
225,675.99x = 338,530.32 × 75,915.63 - Step 4: Simplify right side
225,675.99x = 25,699,742,516.90 - Step 5: Solve for x
x = 25,699,742,516.90/225,675.99 - Step 6: Final answer
x = 113,878.94
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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.