Finding the Fourth Proportional to 437,243.50, 655,865.25 and 121,708.63
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Solution
The fourth proportional to 437,243.50, 655,865.25 and 121,708.63 is: 182,562.95
Step by Step Solution
- Step 1: Write the proportion equation
437,243.50 : 655,865.25 = 121,708.63 : x - Step 2: Convert to fraction form
437,243.50/655,865.25 = 121,708.63/x - Step 3: Cross multiply
437,243.50x = 655,865.25 × 121,708.63 - Step 4: Simplify right side
437,243.50x = 79,824,461,042.11 - Step 5: Solve for x
x = 79,824,461,042.11/437,243.50 - Step 6: Final answer
x = 182,562.95
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1.5x scale
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.