Finding the Fourth Proportional to 265,833.36, 398,306.36 and 186,806.12
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Solution
The fourth proportional to 265,833.36, 398,306.36 and 186,806.12 is: 279,897.39
Step by Step Solution
- Step 1: Write the proportion equation
265,833.36 : 398,306.36 = 186,806.12 : x - Step 2: Convert to fraction form
265,833.36/398,306.36 = 186,806.12/x - Step 3: Cross multiply
265,833.36x = 398,306.36 × 186,806.12 - Step 4: Simplify right side
265,833.36x = 74,406,064,158.41 - Step 5: Solve for x
x = 74,406,064,158.41/265,833.36 - Step 6: Final answer
x = 279,897.39
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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.