Finding the Fourth Proportional to 270,387.99, 405,625.73 and 112,632.39
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Solution
The fourth proportional to 270,387.99, 405,625.73 and 112,632.39 is: 168,966.81
Step by Step Solution
- Step 1: Write the proportion equation
270,387.99 : 405,625.73 = 112,632.39 : x - Step 2: Convert to fraction form
270,387.99/405,625.73 = 112,632.39/x - Step 3: Cross multiply
270,387.99x = 405,625.73 × 112,632.39 - Step 4: Simplify right side
270,387.99x = 45,686,594,852.23 - Step 5: Solve for x
x = 45,686,594,852.23/270,387.99 - Step 6: Final answer
x = 168,966.81
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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.