Finding the Fourth Proportional to 224,949.76, 310,473.84 and 144,478.96
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Solution
The fourth proportional to 224,949.76, 310,473.84 and 144,478.96 is: 199,408.69
Step by Step Solution
- Step 1: Write the proportion equation
224,949.76 : 310,473.84 = 144,478.96 : x - Step 2: Convert to fraction form
224,949.76/310,473.84 = 144,478.96/x - Step 3: Cross multiply
224,949.76x = 310,473.84 × 144,478.96 - Step 4: Simplify right side
224,949.76x = 44,856,937,510.41 - Step 5: Solve for x
x = 44,856,937,510.41/224,949.76 - Step 6: Final answer
x = 199,408.69
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.