Finding the Fourth Proportional to 236,011.92, 325,695.16 and 128,581.68
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Solution
The fourth proportional to 236,011.92, 325,695.16 and 128,581.68 is: 177,442.02
Step by Step Solution
- Step 1: Write the proportion equation
236,011.92 : 325,695.16 = 128,581.68 : x - Step 2: Convert to fraction form
236,011.92/325,695.16 = 128,581.68/x - Step 3: Cross multiply
236,011.92x = 325,695.16 × 128,581.68 - Step 4: Simplify right side
236,011.92x = 41,878,430,840.67 - Step 5: Solve for x
x = 41,878,430,840.67/236,011.92 - Step 6: Final answer
x = 177,442.02
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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.