Finding the Fourth Proportional to 311,325.48, 429,631.14 and 177,189.48
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Solution
The fourth proportional to 311,325.48, 429,631.14 and 177,189.48 is: 244,522.61
Step by Step Solution
- Step 1: Write the proportion equation
311,325.48 : 429,631.14 = 177,189.48 : x - Step 2: Convert to fraction form
311,325.48/429,631.14 = 177,189.48/x - Step 3: Cross multiply
311,325.48x = 429,631.14 × 177,189.48 - Step 4: Simplify right side
311,325.48x = 76,126,118,288.41 - Step 5: Solve for x
x = 76,126,118,288.41/311,325.48 - Step 6: Final answer
x = 244,522.61
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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.