Finding the Fourth Proportional to 98,585.44, 147,954.84 and 68,809.84
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Solution
The fourth proportional to 98,585.44, 147,954.84 and 68,809.84 is: 103,268.28
Step by Step Solution
- Step 1: Write the proportion equation
98,585.44 : 147,954.84 = 68,809.84 : x - Step 2: Convert to fraction form
98,585.44/147,954.84 = 68,809.84/x - Step 3: Cross multiply
98,585.44x = 147,954.84 × 68,809.84 - Step 4: Simplify right side
98,585.44x = 10,180,748,867.63 - Step 5: Solve for x
x = 10,180,748,867.63/98,585.44 - Step 6: Final answer
x = 103,268.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.