Finding the Fourth Proportional to 205,697.42, 283,888.72 and 115,058.42
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Solution
The fourth proportional to 205,697.42, 283,888.72 and 115,058.42 is: 158,795.32
Step by Step Solution
- Step 1: Write the proportion equation
205,697.42 : 283,888.72 = 115,058.42 : x - Step 2: Convert to fraction form
205,697.42/283,888.72 = 115,058.42/x - Step 3: Cross multiply
205,697.42x = 283,888.72 × 115,058.42 - Step 4: Simplify right side
205,697.42x = 32,663,787,579.02 - Step 5: Solve for x
x = 32,663,787,579.02/205,697.42 - Step 6: Final answer
x = 158,795.32
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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.