Finding the Fourth Proportional to 306,224.06, 422,598.96 and 170,263.73
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Solution
The fourth proportional to 306,224.06, 422,598.96 and 170,263.73 is: 234,969.38
Step by Step Solution
- Step 1: Write the proportion equation
306,224.06 : 422,598.96 = 170,263.73 : x - Step 2: Convert to fraction form
306,224.06/422,598.96 = 170,263.73/x - Step 3: Cross multiply
306,224.06x = 422,598.96 × 170,263.73 - Step 4: Simplify right side
306,224.06x = 71,953,276,280.22 - Step 5: Solve for x
x = 71,953,276,280.22/306,224.06 - Step 6: Final answer
x = 234,969.38
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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.