Finding the Fourth Proportional to 651,806.70, 977,418.45 and 252,314.70
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Solution
The fourth proportional to 651,806.70, 977,418.45 and 252,314.70 is: 378,359.17
Step by Step Solution
- Step 1: Write the proportion equation
651,806.70 : 977,418.45 = 252,314.70 : x - Step 2: Convert to fraction form
651,806.70/977,418.45 = 252,314.70/x - Step 3: Cross multiply
651,806.70x = 977,418.45 × 252,314.70 - Step 4: Simplify right side
651,806.70x = 246,617,042,986.22 - Step 5: Solve for x
x = 246,617,042,986.22/651,806.70 - Step 6: Final answer
x = 378,359.17
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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.