Finding the Fourth Proportional to 286,283.10, 429,424.65 and 202,302.30
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Solution
The fourth proportional to 286,283.10, 429,424.65 and 202,302.30 is: 303,453.45
Step by Step Solution
- Step 1: Write the proportion equation
286,283.10 : 429,424.65 = 202,302.30 : x - Step 2: Convert to fraction form
286,283.10/429,424.65 = 202,302.30/x - Step 3: Cross multiply
286,283.10x = 429,424.65 × 202,302.30 - Step 4: Simplify right side
286,283.10x = 86,873,594,371.70 - Step 5: Solve for x
x = 86,873,594,371.70/286,283.10 - Step 6: Final answer
x = 303,453.45
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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.