Finding the Fourth Proportional to 242,100.56, 363,209.20 and 75,888.56
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Solution
The fourth proportional to 242,100.56, 363,209.20 and 75,888.56 is: 113,851.14
Step by Step Solution
- Step 1: Write the proportion equation
242,100.56 : 363,209.20 = 75,888.56 : x - Step 2: Convert to fraction form
242,100.56/363,209.20 = 75,888.56/x - Step 3: Cross multiply
242,100.56x = 363,209.20 × 75,888.56 - Step 4: Simplify right side
242,100.56x = 27,563,423,885.05 - Step 5: Solve for x
x = 27,563,423,885.05/242,100.56 - Step 6: Final answer
x = 113,851.14
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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.