Finding the Fourth Proportional to 145,990.44, 201,432.30 and 88,628.28
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Solution
The fourth proportional to 145,990.44, 201,432.30 and 88,628.28 is: 122,286.08
Step by Step Solution
- Step 1: Write the proportion equation
145,990.44 : 201,432.30 = 88,628.28 : x - Step 2: Convert to fraction form
145,990.44/201,432.30 = 88,628.28/x - Step 3: Cross multiply
145,990.44x = 201,432.30 × 88,628.28 - Step 4: Simplify right side
145,990.44x = 17,852,598,285.44 - Step 5: Solve for x
x = 17,852,598,285.44/145,990.44 - Step 6: Final answer
x = 122,286.08
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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.