Finding the Fourth Proportional to 274,353.07, 378,621.94 and 153,487.14
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Solution
The fourth proportional to 274,353.07, 378,621.94 and 153,487.14 is: 211,820.48
Step by Step Solution
- Step 1: Write the proportion equation
274,353.07 : 378,621.94 = 153,487.14 : x - Step 2: Convert to fraction form
274,353.07/378,621.94 = 153,487.14/x - Step 3: Cross multiply
274,353.07x = 378,621.94 × 153,487.14 - Step 4: Simplify right side
274,353.07x = 58,113,598,711.85 - Step 5: Solve for x
x = 58,113,598,711.85/274,353.07 - Step 6: Final answer
x = 211,820.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.