Finding the Fourth Proportional to 240,357.99, 360,753.66 and 128,131.68
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Solution
The fourth proportional to 240,357.99, 360,753.66 and 128,131.68 is: 192,313.03
Step by Step Solution
- Step 1: Write the proportion equation
240,357.99 : 360,753.66 = 128,131.68 : x - Step 2: Convert to fraction form
240,357.99/360,753.66 = 128,131.68/x - Step 3: Cross multiply
240,357.99x = 360,753.66 × 128,131.68 - Step 4: Simplify right side
240,357.99x = 46,223,972,521.95 - Step 5: Solve for x
x = 46,223,972,521.95/240,357.99 - Step 6: Final answer
x = 192,313.03
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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.