Finding the Fourth Proportional to 215,755.68, 323,602.28 and 65,955.76
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Solution
The fourth proportional to 215,755.68, 323,602.28 and 65,955.76 is: 98,924.09
Step by Step Solution
- Step 1: Write the proportion equation
215,755.68 : 323,602.28 = 65,955.76 : x - Step 2: Convert to fraction form
215,755.68/323,602.28 = 65,955.76/x - Step 3: Cross multiply
215,755.68x = 323,602.28 × 65,955.76 - Step 4: Simplify right side
215,755.68x = 21,343,434,315.13 - Step 5: Solve for x
x = 21,343,434,315.13/215,755.68 - Step 6: Final answer
x = 98,924.09
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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.