Finding the Fourth Proportional to 283,076.54, 390,768.20 and 202,364.09
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Solution
The fourth proportional to 283,076.54, 390,768.20 and 202,364.09 is: 279,350.06
Step by Step Solution
- Step 1: Write the proportion equation
283,076.54 : 390,768.20 = 202,364.09 : x - Step 2: Convert to fraction form
283,076.54/390,768.20 = 202,364.09/x - Step 3: Cross multiply
283,076.54x = 390,768.20 × 202,364.09 - Step 4: Simplify right side
283,076.54x = 79,077,448,228.28 - Step 5: Solve for x
x = 79,077,448,228.28/283,076.54 - Step 6: Final answer
x = 279,350.06
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.