Finding the Fourth Proportional to 274,318.41, 378,559.97 and 153,461.72
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Solution
The fourth proportional to 274,318.41, 378,559.97 and 153,461.72 is: 211,777.48
Step by Step Solution
- Step 1: Write the proportion equation
274,318.41 : 378,559.97 = 153,461.72 : x - Step 2: Convert to fraction form
274,318.41/378,559.97 = 153,461.72/x - Step 3: Cross multiply
274,318.41x = 378,559.97 × 153,461.72 - Step 4: Simplify right side
274,318.41x = 58,094,461,459.24 - Step 5: Solve for x
x = 58,094,461,459.24/274,318.41 - Step 6: Final answer
x = 211,777.48
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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.