Finding the Fourth Proportional to 260,121.06, 390,172.74 and 110,264.94
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Solution
The fourth proportional to 260,121.06, 390,172.74 and 110,264.94 is: 165,393.66
Step by Step Solution
- Step 1: Write the proportion equation
260,121.06 : 390,172.74 = 110,264.94 : x - Step 2: Convert to fraction form
260,121.06/390,172.74 = 110,264.94/x - Step 3: Cross multiply
260,121.06x = 390,172.74 × 110,264.94 - Step 4: Simplify right side
260,121.06x = 43,022,373,765.74 - Step 5: Solve for x
x = 43,022,373,765.74/260,121.06 - Step 6: Final answer
x = 165,393.66
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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.