Finding the Fourth Proportional to 274,298.06, 378,562.68 and 153,469.95
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Solution
The fourth proportional to 274,298.06, 378,562.68 and 153,469.95 is: 211,806.08
Step by Step Solution
- Step 1: Write the proportion equation
274,298.06 : 378,562.68 = 153,469.95 : x - Step 2: Convert to fraction form
274,298.06/378,562.68 = 153,469.95/x - Step 3: Cross multiply
274,298.06x = 378,562.68 × 153,469.95 - Step 4: Simplify right side
274,298.06x = 58,097,995,571.47 - Step 5: Solve for x
x = 58,097,995,571.47/274,298.06 - Step 6: Final answer
x = 211,806.08
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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.