Finding the Fourth Proportional to 190,782.99, 263,281.50 and 119,204.49
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Solution
The fourth proportional to 190,782.99, 263,281.50 and 119,204.49 is: 164,502.80
Step by Step Solution
- Step 1: Write the proportion equation
190,782.99 : 263,281.50 = 119,204.49 : x - Step 2: Convert to fraction form
190,782.99/263,281.50 = 119,204.49/x - Step 3: Cross multiply
190,782.99x = 263,281.50 × 119,204.49 - Step 4: Simplify right side
190,782.99x = 31,384,336,933.94 - Step 5: Solve for x
x = 31,384,336,933.94/190,782.99 - Step 6: Final answer
x = 164,502.80
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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.