Finding the Fourth Proportional to 134,315.84, 201,444.84 and 55,409.60
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Solution
The fourth proportional to 134,315.84, 201,444.84 and 55,409.60 is: 83,102.47
Step by Step Solution
- Step 1: Write the proportion equation
134,315.84 : 201,444.84 = 55,409.60 : x - Step 2: Convert to fraction form
134,315.84/201,444.84 = 55,409.60/x - Step 3: Cross multiply
134,315.84x = 201,444.84 × 55,409.60 - Step 4: Simplify right side
134,315.84x = 11,161,978,006.46 - Step 5: Solve for x
x = 11,161,978,006.46/134,315.84 - Step 6: Final answer
x = 83,102.47
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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.