Finding the Fourth Proportional to 145,869.27, 201,315.69 and 84,628.95
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Solution
The fourth proportional to 145,869.27, 201,315.69 and 84,628.95 is: 116,797.29
Step by Step Solution
- Step 1: Write the proportion equation
145,869.27 : 201,315.69 = 84,628.95 : x - Step 2: Convert to fraction form
145,869.27/201,315.69 = 84,628.95/x - Step 3: Cross multiply
145,869.27x = 201,315.69 × 84,628.95 - Step 4: Simplify right side
145,869.27x = 17,037,135,463.23 - Step 5: Solve for x
x = 17,037,135,463.23/145,869.27 - Step 6: Final answer
x = 116,797.29
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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.