Finding the Fourth Proportional to 145,825.56, 201,253.56 and 85,392.48
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Solution
The fourth proportional to 145,825.56, 201,253.56 and 85,392.48 is: 117,849.99
Step by Step Solution
- Step 1: Write the proportion equation
145,825.56 : 201,253.56 = 85,392.48 : x - Step 2: Convert to fraction form
145,825.56/201,253.56 = 85,392.48/x - Step 3: Cross multiply
145,825.56x = 201,253.56 × 85,392.48 - Step 4: Simplify right side
145,825.56x = 17,185,540,597.23 - Step 5: Solve for x
x = 17,185,540,597.23/145,825.56 - Step 6: Final answer
x = 117,849.99
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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.