Finding the Fourth Proportional to 163,502.53, 225,634.98 and 98,973.25
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Solution
The fourth proportional to 163,502.53, 225,634.98 and 98,973.25 is: 136,583.99
Step by Step Solution
- Step 1: Write the proportion equation
163,502.53 : 225,634.98 = 98,973.25 : x - Step 2: Convert to fraction form
163,502.53/225,634.98 = 98,973.25/x - Step 3: Cross multiply
163,502.53x = 225,634.98 × 98,973.25 - Step 4: Simplify right side
163,502.53x = 22,331,827,284.29 - Step 5: Solve for x
x = 22,331,827,284.29/163,502.53 - Step 6: Final answer
x = 136,583.99
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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.