Finding the Fourth Proportional to 147,035.44, 202,955.16 and 83,415.52
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Solution
The fourth proportional to 147,035.44, 202,955.16 and 83,415.52 is: 115,139.66
Step by Step Solution
- Step 1: Write the proportion equation
147,035.44 : 202,955.16 = 83,415.52 : x - Step 2: Convert to fraction form
147,035.44/202,955.16 = 83,415.52/x - Step 3: Cross multiply
147,035.44x = 202,955.16 × 83,415.52 - Step 4: Simplify right side
147,035.44x = 16,929,610,208.08 - Step 5: Solve for x
x = 16,929,610,208.08/147,035.44 - Step 6: Final answer
x = 115,139.66
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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.