Finding the Fourth Proportional to 417,676.68, 626,515.02 and 102,129.84
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Solution
The fourth proportional to 417,676.68, 626,515.02 and 102,129.84 is: 153,194.76
Step by Step Solution
- Step 1: Write the proportion equation
417,676.68 : 626,515.02 = 102,129.84 : x - Step 2: Convert to fraction form
417,676.68/626,515.02 = 102,129.84/x - Step 3: Cross multiply
417,676.68x = 626,515.02 × 102,129.84 - Step 4: Simplify right side
417,676.68x = 63,985,878,750.20 - Step 5: Solve for x
x = 63,985,878,750.20/417,676.68 - Step 6: Final answer
x = 153,194.76
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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.