Finding the Fourth Proportional to 145,684.44, 201,032.28 and 89,084.88
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Solution
The fourth proportional to 145,684.44, 201,032.28 and 89,084.88 is: 122,929.65
Step by Step Solution
- Step 1: Write the proportion equation
145,684.44 : 201,032.28 = 89,084.88 : x - Step 2: Convert to fraction form
145,684.44/201,032.28 = 89,084.88/x - Step 3: Cross multiply
145,684.44x = 201,032.28 × 89,084.88 - Step 4: Simplify right side
145,684.44x = 17,908,936,539.93 - Step 5: Solve for x
x = 17,908,936,539.93/145,684.44 - Step 6: Final answer
x = 122,929.65
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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.