Finding the Fourth Proportional to 170,448.36, 235,643.88 and 127,933.08
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Solution
The fourth proportional to 170,448.36, 235,643.88 and 127,933.08 is: 176,866.75
Step by Step Solution
- Step 1: Write the proportion equation
170,448.36 : 235,643.88 = 127,933.08 : x - Step 2: Convert to fraction form
170,448.36/235,643.88 = 127,933.08/x - Step 3: Cross multiply
170,448.36x = 235,643.88 × 127,933.08 - Step 4: Simplify right side
170,448.36x = 30,146,647,351.55 - Step 5: Solve for x
x = 30,146,647,351.55/170,448.36 - Step 6: Final answer
x = 176,866.75
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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.