Finding the Fourth Proportional to 620,233.20, 930,349.80 and 265,283.10
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Solution
The fourth proportional to 620,233.20, 930,349.80 and 265,283.10 is: 397,924.65
Step by Step Solution
- Step 1: Write the proportion equation
620,233.20 : 930,349.80 = 265,283.10 : x - Step 2: Convert to fraction form
620,233.20/930,349.80 = 265,283.10/x - Step 3: Cross multiply
620,233.20x = 930,349.80 × 265,283.10 - Step 4: Simplify right side
620,233.20x = 246,806,079,028.38 - Step 5: Solve for x
x = 246,806,079,028.38/620,233.20 - Step 6: Final answer
x = 397,924.65
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Double scale
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Similar ratio
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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.