Finding the Fourth Proportional to 417,706.76, 576,435.84 and 226,720.10
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Solution
The fourth proportional to 417,706.76, 576,435.84 and 226,720.10 is: 312,874.02
Step by Step Solution
- Step 1: Write the proportion equation
417,706.76 : 576,435.84 = 226,720.10 : x - Step 2: Convert to fraction form
417,706.76/576,435.84 = 226,720.10/x - Step 3: Cross multiply
417,706.76x = 576,435.84 × 226,720.10 - Step 4: Simplify right side
417,706.76x = 130,689,591,288.38 - Step 5: Solve for x
x = 130,689,591,288.38/417,706.76 - Step 6: Final answer
x = 312,874.02
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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.