Finding the Fourth Proportional to 286,027.14, 426,513.62 and 283,459.89
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Solution
The fourth proportional to 286,027.14, 426,513.62 and 283,459.89 is: 422,685.43
Step by Step Solution
- Step 1: Write the proportion equation
286,027.14 : 426,513.62 = 283,459.89 : x - Step 2: Convert to fraction form
286,027.14/426,513.62 = 283,459.89/x - Step 3: Cross multiply
286,027.14x = 426,513.62 × 283,459.89 - Step 4: Simplify right side
286,027.14x = 120,899,501,676.13 - Step 5: Solve for x
x = 120,899,501,676.13/286,027.14 - Step 6: Final answer
x = 422,685.43
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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.