Finding the Fourth Proportional to 147,351.03, 221,040.41 and 40,742.07
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Solution
The fourth proportional to 147,351.03, 221,040.41 and 40,742.07 is: 61,116.94
Step by Step Solution
- Step 1: Write the proportion equation
147,351.03 : 221,040.41 = 40,742.07 : x - Step 2: Convert to fraction form
147,351.03/221,040.41 = 40,742.07/x - Step 3: Cross multiply
147,351.03x = 221,040.41 × 40,742.07 - Step 4: Simplify right side
147,351.03x = 9,005,643,857.05 - Step 5: Solve for x
x = 9,005,643,857.05/147,351.03 - Step 6: Final answer
x = 61,116.94
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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.