Finding the Fourth Proportional to 311,004.12, 429,207.36 and 175,051.08
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Solution
The fourth proportional to 311,004.12, 429,207.36 and 175,051.08 is: 241,582.69
Step by Step Solution
- Step 1: Write the proportion equation
311,004.12 : 429,207.36 = 175,051.08 : x - Step 2: Convert to fraction form
311,004.12/429,207.36 = 175,051.08/x - Step 3: Cross multiply
311,004.12x = 429,207.36 × 175,051.08 - Step 4: Simplify right side
311,004.12x = 75,133,211,911.95 - Step 5: Solve for x
x = 75,133,211,911.95/311,004.12 - Step 6: Final answer
x = 241,582.69
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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.