Finding the Fourth Proportional to 293,175.20, 439,762.80 and 106,320.80
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Solution
The fourth proportional to 293,175.20, 439,762.80 and 106,320.80 is: 159,481.20
Step by Step Solution
- Step 1: Write the proportion equation
293,175.20 : 439,762.80 = 106,320.80 : x - Step 2: Convert to fraction form
293,175.20/439,762.80 = 106,320.80/x - Step 3: Cross multiply
293,175.20x = 439,762.80 × 106,320.80 - Step 4: Simplify right side
293,175.20x = 46,755,932,706.24 - Step 5: Solve for x
x = 46,755,932,706.24/293,175.20 - Step 6: Final answer
x = 159,481.20
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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.