Finding the Fourth Proportional to 405,268.48, 605,135.36 and 362,874.88
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Solution
The fourth proportional to 405,268.48, 605,135.36 and 362,874.88 is: 541,834.44
Step by Step Solution
- Step 1: Write the proportion equation
405,268.48 : 605,135.36 = 362,874.88 : x - Step 2: Convert to fraction form
405,268.48/605,135.36 = 362,874.88/x - Step 3: Cross multiply
405,268.48x = 605,135.36 × 362,874.88 - Step 4: Simplify right side
405,268.48x = 219,588,421,143.76 - Step 5: Solve for x
x = 219,588,421,143.76/405,268.48 - Step 6: Final answer
x = 541,834.44
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.