Finding the Fourth Proportional to 163,900.66, 226,193.33 and 99,376.08
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Solution
The fourth proportional to 163,900.66, 226,193.33 and 99,376.08 is: 137,145.31
Step by Step Solution
- Step 1: Write the proportion equation
163,900.66 : 226,193.33 = 99,376.08 : x - Step 2: Convert to fraction form
163,900.66/226,193.33 = 99,376.08/x - Step 3: Cross multiply
163,900.66x = 226,193.33 × 99,376.08 - Step 4: Simplify right side
163,900.66x = 22,478,206,457.55 - Step 5: Solve for x
x = 22,478,206,457.55/163,900.66 - Step 6: Final answer
x = 137,145.31
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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.