Finding the Fourth Proportional to 400,968.99, 553,337.20 and 219,687.80
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Solution
The fourth proportional to 400,968.99, 553,337.20 and 219,687.80 is: 303,169.15
Step by Step Solution
- Step 1: Write the proportion equation
400,968.99 : 553,337.20 = 219,687.80 : x - Step 2: Convert to fraction form
400,968.99/553,337.20 = 219,687.80/x - Step 3: Cross multiply
400,968.99x = 553,337.20 × 219,687.80 - Step 4: Simplify right side
400,968.99x = 121,561,430,193.60 - Step 5: Solve for x
x = 121,561,430,193.60/400,968.99 - Step 6: Final answer
x = 303,169.15
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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.