Finding the Fourth Proportional to 154,859.23, 213,797.34 and 97,547.68
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Solution
The fourth proportional to 154,859.23, 213,797.34 and 97,547.68 is: 134,673.50
Step by Step Solution
- Step 1: Write the proportion equation
154,859.23 : 213,797.34 = 97,547.68 : x - Step 2: Convert to fraction form
154,859.23/213,797.34 = 97,547.68/x - Step 3: Cross multiply
154,859.23x = 213,797.34 × 97,547.68 - Step 4: Simplify right side
154,859.23x = 20,855,433,438.18 - Step 5: Solve for x
x = 20,855,433,438.18/154,859.23 - Step 6: Final answer
x = 134,673.50
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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.