Finding the Fourth Proportional to 283,077.54, 390,769.58 and 202,365.09
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Solution
The fourth proportional to 283,077.54, 390,769.58 and 202,365.09 is: 279,351.45
Step by Step Solution
- Step 1: Write the proportion equation
283,077.54 : 390,769.58 = 202,365.09 : x - Step 2: Convert to fraction form
283,077.54/390,769.58 = 202,365.09/x - Step 3: Cross multiply
283,077.54x = 390,769.58 × 202,365.09 - Step 4: Simplify right side
283,077.54x = 79,078,121,225.96 - Step 5: Solve for x
x = 79,078,121,225.96/283,077.54 - Step 6: Final answer
x = 279,351.45
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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.