Finding the Fourth Proportional to 306,029.69, 422,294.08 and 170,055.02
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Solution
The fourth proportional to 306,029.69, 422,294.08 and 170,055.02 is: 234,660.98
Step by Step Solution
- Step 1: Write the proportion equation
306,029.69 : 422,294.08 = 170,055.02 : x - Step 2: Convert to fraction form
306,029.69/422,294.08 = 170,055.02/x - Step 3: Cross multiply
306,029.69x = 422,294.08 × 170,055.02 - Step 4: Simplify right side
306,029.69x = 71,813,225,258.54 - Step 5: Solve for x
x = 71,813,225,258.54/306,029.69 - Step 6: Final answer
x = 234,660.98
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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.