Finding the Fourth Proportional to 392,299.99, 588,449.99 and 111,809.95
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Solution
The fourth proportional to 392,299.99, 588,449.99 and 111,809.95 is: 167,714.93
Step by Step Solution
- Step 1: Write the proportion equation
392,299.99 : 588,449.99 = 111,809.95 : x - Step 2: Convert to fraction form
392,299.99/588,449.99 = 111,809.95/x - Step 3: Cross multiply
392,299.99x = 588,449.99 × 111,809.95 - Step 4: Simplify right side
392,299.99x = 65,794,563,959.40 - Step 5: Solve for x
x = 65,794,563,959.40/392,299.99 - Step 6: Final answer
x = 167,714.93
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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.