Finding the Fourth Proportional to 274,980.99, 379,390.20 and 173,108.15
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Solution
The fourth proportional to 274,980.99, 379,390.20 and 173,108.15 is: 238,836.63
Step by Step Solution
- Step 1: Write the proportion equation
274,980.99 : 379,390.20 = 173,108.15 : x - Step 2: Convert to fraction form
274,980.99/379,390.20 = 173,108.15/x - Step 3: Cross multiply
274,980.99x = 379,390.20 × 173,108.15 - Step 4: Simplify right side
274,980.99x = 65,675,533,753.18 - Step 5: Solve for x
x = 65,675,533,753.18/274,980.99 - Step 6: Final answer
x = 238,836.63
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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.