Finding the Fourth Proportional to 286,921.29, 429,883.15 and 201,350.65
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Solution
The fourth proportional to 286,921.29, 429,883.15 and 201,350.65 is: 301,675.95
Step by Step Solution
- Step 1: Write the proportion equation
286,921.29 : 429,883.15 = 201,350.65 : x - Step 2: Convert to fraction form
286,921.29/429,883.15 = 201,350.65/x - Step 3: Cross multiply
286,921.29x = 429,883.15 × 201,350.65 - Step 4: Simplify right side
286,921.29x = 86,557,251,676.55 - Step 5: Solve for x
x = 86,557,251,676.55/286,921.29 - Step 6: Final answer
x = 301,675.95
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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.