Finding the Fourth Proportional to 245,820.76, 368,729.08 and 68,327.26
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Solution
The fourth proportional to 245,820.76, 368,729.08 and 68,327.26 is: 102,490.32
Step by Step Solution
- Step 1: Write the proportion equation
245,820.76 : 368,729.08 = 68,327.26 : x - Step 2: Convert to fraction form
245,820.76/368,729.08 = 68,327.26/x - Step 3: Cross multiply
245,820.76x = 368,729.08 × 68,327.26 - Step 4: Simplify right side
245,820.76x = 25,194,247,718.72 - Step 5: Solve for x
x = 25,194,247,718.72/245,820.76 - Step 6: Final answer
x = 102,490.32
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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.