Finding the Fourth Proportional to 245,795.36, 368,577.28 and 145,968.80
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Solution
The fourth proportional to 245,795.36, 368,577.28 and 145,968.80 is: 218,884.45
Step by Step Solution
- Step 1: Write the proportion equation
245,795.36 : 368,577.28 = 145,968.80 : x - Step 2: Convert to fraction form
245,795.36/368,577.28 = 145,968.80/x - Step 3: Cross multiply
245,795.36x = 368,577.28 × 145,968.80 - Step 4: Simplify right side
245,795.36x = 53,800,783,268.86 - Step 5: Solve for x
x = 53,800,783,268.86/245,795.36 - Step 6: Final answer
x = 218,884.45
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1.5x scale
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.