Finding the Fourth Proportional to 167,342.13, 230,929.52 and 91,890.63
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Solution
The fourth proportional to 167,342.13, 230,929.52 and 91,890.63 is: 126,807.63
Step by Step Solution
- Step 1: Write the proportion equation
167,342.13 : 230,929.52 = 91,890.63 : x - Step 2: Convert to fraction form
167,342.13/230,929.52 = 91,890.63/x - Step 3: Cross multiply
167,342.13x = 230,929.52 × 91,890.63 - Step 4: Simplify right side
167,342.13x = 21,220,258,618.94 - Step 5: Solve for x
x = 21,220,258,618.94/167,342.13 - Step 6: Final answer
x = 126,807.63
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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.