Finding the Fourth Proportional to 274,265.46, 411,408.99 and 84,708.95
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Solution
The fourth proportional to 274,265.46, 411,408.99 and 84,708.95 is: 127,066.75
Step by Step Solution
- Step 1: Write the proportion equation
274,265.46 : 411,408.99 = 84,708.95 : x - Step 2: Convert to fraction form
274,265.46/411,408.99 = 84,708.95/x - Step 3: Cross multiply
274,265.46x = 411,408.99 × 84,708.95 - Step 4: Simplify right side
274,265.46x = 34,850,021,506.42 - Step 5: Solve for x
x = 34,850,021,506.42/274,265.46 - Step 6: Final answer
x = 127,066.75
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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.