Finding the Fourth Proportional to 293,431.80, 440,147.70 and 188,455.80
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Solution
The fourth proportional to 293,431.80, 440,147.70 and 188,455.80 is: 282,683.70
Step by Step Solution
- Step 1: Write the proportion equation
293,431.80 : 440,147.70 = 188,455.80 : x - Step 2: Convert to fraction form
293,431.80/440,147.70 = 188,455.80/x - Step 3: Cross multiply
293,431.80x = 440,147.70 × 188,455.80 - Step 4: Simplify right side
293,431.80x = 82,948,386,921.66 - Step 5: Solve for x
x = 82,948,386,921.66/293,431.80 - Step 6: Final answer
x = 282,683.70
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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.