Finding the Fourth Proportional to 174,358.80, 261,564.36 and 74,518.56
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Solution
The fourth proportional to 174,358.80, 261,564.36 and 74,518.56 is: 111,789.02
Step by Step Solution
- Step 1: Write the proportion equation
174,358.80 : 261,564.36 = 74,518.56 : x - Step 2: Convert to fraction form
174,358.80/261,564.36 = 74,518.56/x - Step 3: Cross multiply
174,358.80x = 261,564.36 × 74,518.56 - Step 4: Simplify right side
174,358.80x = 19,491,399,454.52 - Step 5: Solve for x
x = 19,491,399,454.52/174,358.80 - Step 6: Final answer
x = 111,789.02
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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.