Finding the Fourth Proportional to 402,332.20, 603,887.10 and 202,877.80
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Solution
The fourth proportional to 402,332.20, 603,887.10 and 202,877.80 is: 304,512.75
Step by Step Solution
- Step 1: Write the proportion equation
402,332.20 : 603,887.10 = 202,877.80 : x - Step 2: Convert to fraction form
402,332.20/603,887.10 = 202,877.80/x - Step 3: Cross multiply
402,332.20x = 603,887.10 × 202,877.80 - Step 4: Simplify right side
402,332.20x = 122,515,286,296.38 - Step 5: Solve for x
x = 122,515,286,296.38/402,332.20 - Step 6: Final answer
x = 304,512.75
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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.