Finding the Fourth Proportional to 242,537.80, 363,806.70 and 76,325.80
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Solution
The fourth proportional to 242,537.80, 363,806.70 and 76,325.80 is: 114,488.70
Step by Step Solution
- Step 1: Write the proportion equation
242,537.80 : 363,806.70 = 76,325.80 : x - Step 2: Convert to fraction form
242,537.80/363,806.70 = 76,325.80/x - Step 3: Cross multiply
242,537.80x = 363,806.70 × 76,325.80 - Step 4: Simplify right side
242,537.80x = 27,767,837,422.86 - Step 5: Solve for x
x = 27,767,837,422.86/242,537.80 - Step 6: Final answer
x = 114,488.70
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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.