Finding the Fourth Proportional to 651,938.20, 977,129.70 and 336,232.60
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Solution
The fourth proportional to 651,938.20, 977,129.70 and 336,232.60 is: 503,947.86
Step by Step Solution
- Step 1: Write the proportion equation
651,938.20 : 977,129.70 = 336,232.60 : x - Step 2: Convert to fraction form
651,938.20/977,129.70 = 336,232.60/x - Step 3: Cross multiply
651,938.20x = 977,129.70 × 336,232.60 - Step 4: Simplify right side
651,938.20x = 328,542,859,568.22 - Step 5: Solve for x
x = 328,542,859,568.22/651,938.20 - Step 6: Final answer
x = 503,947.86
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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.