Finding the Fourth Proportional to 247,769.70, 369,782.18 and 223,854.90
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Solution
The fourth proportional to 247,769.70, 369,782.18 and 223,854.90 is: 334,090.70
Step by Step Solution
- Step 1: Write the proportion equation
247,769.70 : 369,782.18 = 223,854.90 : x - Step 2: Convert to fraction form
247,769.70/369,782.18 = 223,854.90/x - Step 3: Cross multiply
247,769.70x = 369,782.18 × 223,854.90 - Step 4: Simplify right side
247,769.70x = 82,777,551,806.41 - Step 5: Solve for x
x = 82,777,551,806.41/247,769.70 - Step 6: Final answer
x = 334,090.70
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.