Finding the Fourth Proportional to 319,688.19, 441,170.60 and 174,495.29
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Solution
The fourth proportional to 319,688.19, 441,170.60 and 174,495.29 is: 240,803.98
Step by Step Solution
- Step 1: Write the proportion equation
319,688.19 : 441,170.60 = 174,495.29 : x - Step 2: Convert to fraction form
319,688.19/441,170.60 = 174,495.29/x - Step 3: Cross multiply
319,688.19x = 441,170.60 × 174,495.29 - Step 4: Simplify right side
319,688.19x = 76,982,188,708.14 - Step 5: Solve for x
x = 76,982,188,708.14/319,688.19 - Step 6: Final answer
x = 240,803.98
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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.