Finding the Fourth Proportional to 235,960.30, 325,631.16 and 128,536.06
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Solution
The fourth proportional to 235,960.30, 325,631.16 and 128,536.06 is: 177,383.00
Step by Step Solution
- Step 1: Write the proportion equation
235,960.30 : 325,631.16 = 128,536.06 : x - Step 2: Convert to fraction form
235,960.30/325,631.16 = 128,536.06/x - Step 3: Cross multiply
235,960.30x = 325,631.16 × 128,536.06 - Step 4: Simplify right side
235,960.30x = 41,855,346,319.63 - Step 5: Solve for x
x = 41,855,346,319.63/235,960.30 - Step 6: Final answer
x = 177,383.00
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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.