Finding the Fourth Proportional to 389,750.67, 537,857.73 and 210,902.67
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Solution
The fourth proportional to 389,750.67, 537,857.73 and 210,902.67 is: 291,046.66
Step by Step Solution
- Step 1: Write the proportion equation
389,750.67 : 537,857.73 = 210,902.67 : x - Step 2: Convert to fraction form
389,750.67/537,857.73 = 210,902.67/x - Step 3: Cross multiply
389,750.67x = 537,857.73 × 210,902.67 - Step 4: Simplify right side
389,750.67x = 113,435,631,337.14 - Step 5: Solve for x
x = 113,435,631,337.14/389,750.67 - Step 6: Final answer
x = 291,046.66
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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.