Finding the Fourth Proportional to 491,313.80, 736,888.26 and 136,363.88
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Solution
The fourth proportional to 491,313.80, 736,888.26 and 136,363.88 is: 204,522.94
Step by Step Solution
- Step 1: Write the proportion equation
491,313.80 : 736,888.26 = 136,363.88 : x - Step 2: Convert to fraction form
491,313.80/736,888.26 = 136,363.88/x - Step 3: Cross multiply
491,313.80x = 736,888.26 × 136,363.88 - Step 4: Simplify right side
491,313.80x = 100,484,942,260.05 - Step 5: Solve for x
x = 100,484,942,260.05/491,313.80 - Step 6: Final answer
x = 204,522.94
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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.