Finding the Fourth Proportional to 408,676.95, 613,064.61 and 135,132.44
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Solution
The fourth proportional to 408,676.95, 613,064.61 and 135,132.44 is: 202,714.92
Step by Step Solution
- Step 1: Write the proportion equation
408,676.95 : 613,064.61 = 135,132.44 : x - Step 2: Convert to fraction form
408,676.95/613,064.61 = 135,132.44/x - Step 3: Cross multiply
408,676.95x = 613,064.61 × 135,132.44 - Step 4: Simplify right side
408,676.95x = 82,844,913,561.63 - Step 5: Solve for x
x = 82,844,913,561.63/408,676.95 - Step 6: Final answer
x = 202,714.92
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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.