Finding the Fourth Proportional to 242,707.74, 364,063.51 and 74,231.13
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Solution
The fourth proportional to 242,707.74, 364,063.51 and 74,231.13 is: 111,347.28
Step by Step Solution
- Step 1: Write the proportion equation
242,707.74 : 364,063.51 = 74,231.13 : x - Step 2: Convert to fraction form
242,707.74/364,063.51 = 74,231.13/x - Step 3: Cross multiply
242,707.74x = 364,063.51 × 74,231.13 - Step 4: Simplify right side
242,707.74x = 27,024,847,197.09 - Step 5: Solve for x
x = 27,024,847,197.09/242,707.74 - Step 6: Final answer
x = 111,347.28
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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.