Finding the Fourth Proportional to 165,749.20, 248,840.61 and 98,404.18
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Solution
The fourth proportional to 165,749.20, 248,840.61 and 98,404.18 is: 147,734.99
Step by Step Solution
- Step 1: Write the proportion equation
165,749.20 : 248,840.61 = 98,404.18 : x - Step 2: Convert to fraction form
165,749.20/248,840.61 = 98,404.18/x - Step 3: Cross multiply
165,749.20x = 248,840.61 × 98,404.18 - Step 4: Simplify right side
165,749.20x = 24,486,956,177.75 - Step 5: Solve for x
x = 24,486,956,177.75/165,749.20 - Step 6: Final answer
x = 147,734.99
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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.