Finding the Fourth Proportional to 641,140.48, 961,798.20 and 267,076
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Solution
The fourth proportional to 641,140.48, 961,798.20 and 267,076 is: 400,650.44
Step by Step Solution
- Step 1: Write the proportion equation
641,140.48 : 961,798.20 = 267,076 : x - Step 2: Convert to fraction form
641,140.48/961,798.20 = 267,076/x - Step 3: Cross multiply
641,140.48x = 961,798.20 × 267,076 - Step 4: Simplify right side
641,140.48x = 256,873,216,063.20 - Step 5: Solve for x
x = 256,873,216,063.20/641,140.48 - Step 6: Final answer
x = 400,650.44
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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.