Finding the Fourth Proportional to 317,527.76, 438,193.96 and 174,301.12
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Solution
The fourth proportional to 317,527.76, 438,193.96 and 174,301.12 is: 240,538.65
Step by Step Solution
- Step 1: Write the proportion equation
317,527.76 : 438,193.96 = 174,301.12 : x - Step 2: Convert to fraction form
317,527.76/438,193.96 = 174,301.12/x - Step 3: Cross multiply
317,527.76x = 438,193.96 × 174,301.12 - Step 4: Simplify right side
317,527.76x = 76,377,698,005.24 - Step 5: Solve for x
x = 76,377,698,005.24/317,527.76 - Step 6: Final answer
x = 240,538.65
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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.