Finding the Fourth Proportional to 231,193.80, 346,823.10 and 73,405.80
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Solution
The fourth proportional to 231,193.80, 346,823.10 and 73,405.80 is: 110,118.99
Step by Step Solution
- Step 1: Write the proportion equation
231,193.80 : 346,823.10 = 73,405.80 : x - Step 2: Convert to fraction form
231,193.80/346,823.10 = 73,405.80/x - Step 3: Cross multiply
231,193.80x = 346,823.10 × 73,405.80 - Step 4: Simplify right side
231,193.80x = 25,458,827,113.98 - Step 5: Solve for x
x = 25,458,827,113.98/231,193.80 - Step 6: Final answer
x = 110,118.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.