Finding the Fourth Proportional to 117,266.10, 175,985.55 and 47,195.70
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Solution
The fourth proportional to 117,266.10, 175,985.55 and 47,195.70 is: 70,828.32
Step by Step Solution
- Step 1: Write the proportion equation
117,266.10 : 175,985.55 = 47,195.70 : x - Step 2: Convert to fraction form
117,266.10/175,985.55 = 47,195.70/x - Step 3: Cross multiply
117,266.10x = 175,985.55 × 47,195.70 - Step 4: Simplify right side
117,266.10x = 8,305,761,222.14 - Step 5: Solve for x
x = 8,305,761,222.14/117,266.10 - Step 6: Final answer
x = 70,828.32
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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.