Finding the Fourth Proportional to 296,749.14, 445,415.31 and 217,638.06
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Solution
The fourth proportional to 296,749.14, 445,415.31 and 217,638.06 is: 326,670.95
Step by Step Solution
- Step 1: Write the proportion equation
296,749.14 : 445,415.31 = 217,638.06 : x - Step 2: Convert to fraction form
296,749.14/445,415.31 = 217,638.06/x - Step 3: Cross multiply
296,749.14x = 445,415.31 × 217,638.06 - Step 4: Simplify right side
296,749.14x = 96,939,323,962.70 - Step 5: Solve for x
x = 96,939,323,962.70/296,749.14 - Step 6: Final answer
x = 326,670.95
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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.