Finding the Fourth Proportional to 306,240.14, 422,603.52 and 170,267.06
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Solution
The fourth proportional to 306,240.14, 422,603.52 and 170,267.06 is: 234,964.17
Step by Step Solution
- Step 1: Write the proportion equation
306,240.14 : 422,603.52 = 170,267.06 : x - Step 2: Convert to fraction form
306,240.14/422,603.52 = 170,267.06/x - Step 3: Cross multiply
306,240.14x = 422,603.52 × 170,267.06 - Step 4: Simplify right side
306,240.14x = 71,955,458,896.05 - Step 5: Solve for x
x = 71,955,458,896.05/306,240.14 - Step 6: Final answer
x = 234,964.17
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1.5x scale
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.