Finding the Fourth Proportional to 311,202.47, 429,500.34 and 175,262.99
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Solution
The fourth proportional to 311,202.47, 429,500.34 and 175,262.99 is: 241,885.98
Step by Step Solution
- Step 1: Write the proportion equation
311,202.47 : 429,500.34 = 175,262.99 : x - Step 2: Convert to fraction form
311,202.47/429,500.34 = 175,262.99/x - Step 3: Cross multiply
311,202.47x = 429,500.34 × 175,262.99 - Step 4: Simplify right side
311,202.47x = 75,275,512,918.10 - Step 5: Solve for x
x = 75,275,512,918.10/311,202.47 - Step 6: Final answer
x = 241,885.98
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.