Finding the Fourth Proportional to 306,206.24, 422,599.56 and 170,253.68
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Solution
The fourth proportional to 306,206.24, 422,599.56 and 170,253.68 is: 234,969.51
Step by Step Solution
- Step 1: Write the proportion equation
306,206.24 : 422,599.56 = 170,253.68 : x - Step 2: Convert to fraction form
306,206.24/422,599.56 = 170,253.68/x - Step 3: Cross multiply
306,206.24x = 422,599.56 × 170,253.68 - Step 4: Simplify right side
306,206.24x = 71,949,130,256.38 - Step 5: Solve for x
x = 71,949,130,256.38/306,206.24 - Step 6: Final answer
x = 234,969.51
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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.