Finding the Fourth Proportional to 753,119.88, 1,129,679.36 and 192,154.38
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Solution
The fourth proportional to 753,119.88, 1,129,679.36 and 192,154.38 is: 288,231.45
Step by Step Solution
- Step 1: Write the proportion equation
753,119.88 : 1,129,679.36 = 192,154.38 : x - Step 2: Convert to fraction form
753,119.88/1,129,679.36 = 192,154.38/x - Step 3: Cross multiply
753,119.88x = 1,129,679.36 × 192,154.38 - Step 4: Simplify right side
753,119.88x = 217,072,832,543.11 - Step 5: Solve for x
x = 217,072,832,543.11/753,119.88 - Step 6: Final answer
x = 288,231.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.