Finding the Fourth Proportional to 615,114.21, 922,564.92 and 278,076.48
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Solution
The fourth proportional to 615,114.21, 922,564.92 and 278,076.48 is: 417,066.62
Step by Step Solution
- Step 1: Write the proportion equation
615,114.21 : 922,564.92 = 278,076.48 : x - Step 2: Convert to fraction form
615,114.21/922,564.92 = 278,076.48/x - Step 3: Cross multiply
615,114.21x = 922,564.92 × 278,076.48 - Step 4: Simplify right side
615,114.21x = 256,543,605,525.08 - Step 5: Solve for x
x = 256,543,605,525.08/615,114.21 - Step 6: Final answer
x = 417,066.62
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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.