Finding the Fourth Proportional to 165,604.84, 248,241.16 and 76,920.63
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Solution
The fourth proportional to 165,604.84, 248,241.16 and 76,920.63 is: 115,303.79
Step by Step Solution
- Step 1: Write the proportion equation
165,604.84 : 248,241.16 = 76,920.63 : x - Step 2: Convert to fraction form
165,604.84/248,241.16 = 76,920.63/x - Step 3: Cross multiply
165,604.84x = 248,241.16 × 76,920.63 - Step 4: Simplify right side
165,604.84x = 19,094,866,419.13 - Step 5: Solve for x
x = 19,094,866,419.13/165,604.84 - Step 6: Final answer
x = 115,303.79
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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.