Finding the Fourth Proportional to 242,378.26, 363,733.48 and 84,606.74
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Solution
The fourth proportional to 242,378.26, 363,733.48 and 84,606.74 is: 126,968.09
Step by Step Solution
- Step 1: Write the proportion equation
242,378.26 : 363,733.48 = 84,606.74 : x - Step 2: Convert to fraction form
242,378.26/363,733.48 = 84,606.74/x - Step 3: Cross multiply
242,378.26x = 363,733.48 × 84,606.74 - Step 4: Simplify right side
242,378.26x = 30,774,303,971.66 - Step 5: Solve for x
x = 30,774,303,971.66/242,378.26 - Step 6: Final answer
x = 126,968.09
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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.