Finding the Fourth Proportional to 389,772.26, 537,887.50 and 210,924.26
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Solution
The fourth proportional to 389,772.26, 537,887.50 and 210,924.26 is: 291,076.44
Step by Step Solution
- Step 1: Write the proportion equation
389,772.26 : 537,887.50 = 210,924.26 : x - Step 2: Convert to fraction form
389,772.26/537,887.50 = 210,924.26/x - Step 3: Cross multiply
389,772.26x = 537,887.50 × 210,924.26 - Step 4: Simplify right side
389,772.26x = 113,453,522,900.75 - Step 5: Solve for x
x = 113,453,522,900.75/389,772.26 - Step 6: Final answer
x = 291,076.44
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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.