Finding the Fourth Proportional to 195,510.84, 269,742.26 and 109,457.18
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Solution
The fourth proportional to 195,510.84, 269,742.26 and 109,457.18 is: 151,015.80
Step by Step Solution
- Step 1: Write the proportion equation
195,510.84 : 269,742.26 = 109,457.18 : x - Step 2: Convert to fraction form
195,510.84/269,742.26 = 109,457.18/x - Step 3: Cross multiply
195,510.84x = 269,742.26 × 109,457.18 - Step 4: Simplify right side
195,510.84x = 29,525,225,210.43 - Step 5: Solve for x
x = 29,525,225,210.43/195,510.84 - Step 6: Final answer
x = 151,015.80
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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.