Finding the Fourth Proportional to 235,930.56, 325,586.28 and 128,501.08
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Solution
The fourth proportional to 235,930.56, 325,586.28 and 128,501.08 is: 177,332.64
Step by Step Solution
- Step 1: Write the proportion equation
235,930.56 : 325,586.28 = 128,501.08 : x - Step 2: Convert to fraction form
235,930.56/325,586.28 = 128,501.08/x - Step 3: Cross multiply
235,930.56x = 325,586.28 × 128,501.08 - Step 4: Simplify right side
235,930.56x = 41,838,188,613.18 - Step 5: Solve for x
x = 41,838,188,613.18/235,930.56 - Step 6: Final answer
x = 177,332.64
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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.