Finding the Fourth Proportional to 605,167.20, 906,195.60 and 446,536.80
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Solution
The fourth proportional to 605,167.20, 906,195.60 and 446,536.80 is: 668,657.66
Step by Step Solution
- Step 1: Write the proportion equation
605,167.20 : 906,195.60 = 446,536.80 : x - Step 2: Convert to fraction form
605,167.20/906,195.60 = 446,536.80/x - Step 3: Cross multiply
605,167.20x = 906,195.60 × 446,536.80 - Step 4: Simplify right side
605,167.20x = 404,649,683,398.08 - Step 5: Solve for x
x = 404,649,683,398.08/605,167.20 - Step 6: Final answer
x = 668,657.66
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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.