Finding the Fourth Proportional to 672,880.20, 1,009,324.08 and 199,569.12
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Solution
The fourth proportional to 672,880.20, 1,009,324.08 and 199,569.12 is: 299,354.80
Step by Step Solution
- Step 1: Write the proportion equation
672,880.20 : 1,009,324.08 = 199,569.12 : x - Step 2: Convert to fraction form
672,880.20/1,009,324.08 = 199,569.12/x - Step 3: Cross multiply
672,880.20x = 1,009,324.08 × 199,569.12 - Step 4: Simplify right side
672,880.20x = 201,429,918,440.41 - Step 5: Solve for x
x = 201,429,918,440.41/672,880.20 - Step 6: Final answer
x = 299,354.80
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1.5x scale
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.