Finding the Fourth Proportional to 516,181.80, 712,408.44 and 371,466.68
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Solution
The fourth proportional to 516,181.80, 712,408.44 and 371,466.68 is: 512,679.83
Step by Step Solution
- Step 1: Write the proportion equation
516,181.80 : 712,408.44 = 371,466.68 : x - Step 2: Convert to fraction form
516,181.80/712,408.44 = 371,466.68/x - Step 3: Cross multiply
516,181.80x = 712,408.44 × 371,466.68 - Step 4: Simplify right side
516,181.80x = 264,635,998,010.78 - Step 5: Solve for x
x = 264,635,998,010.78/516,181.80 - Step 6: Final answer
x = 512,679.83
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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.