Finding the Fourth Proportional to 286,207.10, 429,310.65 and 202,226.30
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Solution
The fourth proportional to 286,207.10, 429,310.65 and 202,226.30 is: 303,339.45
Step by Step Solution
- Step 1: Write the proportion equation
286,207.10 : 429,310.65 = 202,226.30 : x - Step 2: Convert to fraction form
286,207.10/429,310.65 = 202,226.30/x - Step 3: Cross multiply
286,207.10x = 429,310.65 × 202,226.30 - Step 4: Simplify right side
286,207.10x = 86,817,904,300.10 - Step 5: Solve for x
x = 86,817,904,300.10/286,207.10 - Step 6: Final answer
x = 303,339.45
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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.