Finding the Fourth Proportional to 242,568.12, 363,891.06 and 102,347.40
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Solution
The fourth proportional to 242,568.12, 363,891.06 and 102,347.40 is: 153,537.50
Step by Step Solution
- Step 1: Write the proportion equation
242,568.12 : 363,891.06 = 102,347.40 : x - Step 2: Convert to fraction form
242,568.12/363,891.06 = 102,347.40/x - Step 3: Cross multiply
242,568.12x = 363,891.06 × 102,347.40 - Step 4: Simplify right side
242,568.12x = 37,243,303,874.24 - Step 5: Solve for x
x = 37,243,303,874.24/242,568.12 - Step 6: Final answer
x = 153,537.50
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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.