Finding the Fourth Proportional to 508,102.19, 701,130.49 and 293,311.45
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Solution
The fourth proportional to 508,102.19, 701,130.49 and 293,311.45 is: 404,740.63
Step by Step Solution
- Step 1: Write the proportion equation
508,102.19 : 701,130.49 = 293,311.45 : x - Step 2: Convert to fraction form
508,102.19/701,130.49 = 293,311.45/x - Step 3: Cross multiply
508,102.19x = 701,130.49 × 293,311.45 - Step 4: Simplify right side
508,102.19x = 205,649,598,175.01 - Step 5: Solve for x
x = 205,649,598,175.01/508,102.19 - Step 6: Final answer
x = 404,740.63
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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.