Finding the Fourth Proportional to 415,669.24, 623,668.56 and 216,115.48
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Solution
The fourth proportional to 415,669.24, 623,668.56 and 216,115.48 is: 324,258.85
Step by Step Solution
- Step 1: Write the proportion equation
415,669.24 : 623,668.56 = 216,115.48 : x - Step 2: Convert to fraction form
415,669.24/623,668.56 = 216,115.48/x - Step 3: Cross multiply
415,669.24x = 623,668.56 × 216,115.48 - Step 4: Simplify right side
415,669.24x = 134,784,430,205.31 - Step 5: Solve for x
x = 134,784,430,205.31/415,669.24 - Step 6: Final answer
x = 324,258.85
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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.