Finding the Fourth Proportional to 421,083.60, 581,096.88 and 230,096.99
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Solution
The fourth proportional to 421,083.60, 581,096.88 and 230,096.99 is: 317,534.67
Step by Step Solution
- Step 1: Write the proportion equation
421,083.60 : 581,096.88 = 230,096.99 : x - Step 2: Convert to fraction form
421,083.60/581,096.88 = 230,096.99/x - Step 3: Cross multiply
421,083.60x = 581,096.88 × 230,096.99 - Step 4: Simplify right side
421,083.60x = 133,708,640,080.91 - Step 5: Solve for x
x = 133,708,640,080.91/421,083.60 - Step 6: Final answer
x = 317,534.67
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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.