Finding the Fourth Proportional to 476,668.87, 657,642.95 and 269,909.08
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Solution
The fourth proportional to 476,668.87, 657,642.95 and 269,909.08 is: 372,383.88
Step by Step Solution
- Step 1: Write the proportion equation
476,668.87 : 657,642.95 = 269,909.08 : x - Step 2: Convert to fraction form
476,668.87/657,642.95 = 269,909.08/x - Step 3: Cross multiply
476,668.87x = 657,642.95 × 269,909.08 - Step 4: Simplify right side
476,668.87x = 177,503,801,621.49 - Step 5: Solve for x
x = 177,503,801,621.49/476,668.87 - Step 6: Final answer
x = 372,383.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.