Finding the Fourth Proportional to 272,379.36, 375,729.91 and 163,455.81
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Solution
The fourth proportional to 272,379.36, 375,729.91 and 163,455.81 is: 225,476.84
Step by Step Solution
- Step 1: Write the proportion equation
272,379.36 : 375,729.91 = 163,455.81 : x - Step 2: Convert to fraction form
272,379.36/375,729.91 = 163,455.81/x - Step 3: Cross multiply
272,379.36x = 375,729.91 × 163,455.81 - Step 4: Simplify right side
272,379.36x = 61,415,236,780.28 - Step 5: Solve for x
x = 61,415,236,780.28/272,379.36 - Step 6: Final answer
x = 225,476.84
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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.