Finding the Fourth Proportional to 491,473.49, 736,586.84 and 221,313.38
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Solution
The fourth proportional to 491,473.49, 736,586.84 and 221,313.38 is: 331,689.35
Step by Step Solution
- Step 1: Write the proportion equation
491,473.49 : 736,586.84 = 221,313.38 : x - Step 2: Convert to fraction form
491,473.49/736,586.84 = 221,313.38/x - Step 3: Cross multiply
491,473.49x = 736,586.84 × 221,313.38 - Step 4: Simplify right side
491,473.49x = 163,016,523,223.92 - Step 5: Solve for x
x = 163,016,523,223.92/491,473.49 - Step 6: Final answer
x = 331,689.35
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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.