Finding the Fourth Proportional to 316,757.03, 437,124.67 and 173,517.03
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Solution
The fourth proportional to 316,757.03, 437,124.67 and 173,517.03 is: 239,453.48
Step by Step Solution
- Step 1: Write the proportion equation
316,757.03 : 437,124.67 = 173,517.03 : x - Step 2: Convert to fraction form
316,757.03/437,124.67 = 173,517.03/x - Step 3: Cross multiply
316,757.03x = 437,124.67 × 173,517.03 - Step 4: Simplify right side
316,757.03x = 75,848,574,478.13 - Step 5: Solve for x
x = 75,848,574,478.13/316,757.03 - Step 6: Final answer
x = 239,453.48
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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.