Finding the Fourth Proportional to 306,011.19, 422,286.99 and 170,041.62
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Solution
The fourth proportional to 306,011.19, 422,286.99 and 170,041.62 is: 234,652.74
Step by Step Solution
- Step 1: Write the proportion equation
306,011.19 : 422,286.99 = 170,041.62 : x - Step 2: Convert to fraction form
306,011.19/422,286.99 = 170,041.62/x - Step 3: Cross multiply
306,011.19x = 422,286.99 × 170,041.62 - Step 4: Simplify right side
306,011.19x = 71,806,363,884.52 - Step 5: Solve for x
x = 71,806,363,884.52/306,011.19 - Step 6: Final answer
x = 234,652.74
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.