Finding the Fourth Proportional to 935,586.18, 1,403,164.62 and 261,715.19
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Solution
The fourth proportional to 935,586.18, 1,403,164.62 and 261,715.19 is: 392,512.73
Step by Step Solution
- Step 1: Write the proportion equation
935,586.18 : 1,403,164.62 = 261,715.19 : x - Step 2: Convert to fraction form
935,586.18/1,403,164.62 = 261,715.19/x - Step 3: Cross multiply
935,586.18x = 1,403,164.62 × 261,715.19 - Step 4: Simplify right side
935,586.18x = 367,229,488,108.76 - Step 5: Solve for x
x = 367,229,488,108.76/935,586.18 - Step 6: Final answer
x = 392,512.73
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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.