Finding the Fourth Proportional to 247,217.84, 370,221.94 and 223,256.26
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Solution
The fourth proportional to 247,217.84, 370,221.94 and 223,256.26 is: 334,338.19
Step by Step Solution
- Step 1: Write the proportion equation
247,217.84 : 370,221.94 = 223,256.26 : x - Step 2: Convert to fraction form
247,217.84/370,221.94 = 223,256.26/x - Step 3: Cross multiply
247,217.84x = 370,221.94 × 223,256.26 - Step 4: Simplify right side
247,217.84x = 82,654,365,694.34 - Step 5: Solve for x
x = 82,654,365,694.34/247,217.84 - Step 6: Final answer
x = 334,338.19
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1.5x scale
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.