Finding the Fourth Proportional to 493,778.14, 681,427.83 and 278,927.26
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Solution
The fourth proportional to 493,778.14, 681,427.83 and 278,927.26 is: 384,927.53
Step by Step Solution
- Step 1: Write the proportion equation
493,778.14 : 681,427.83 = 278,927.26 : x - Step 2: Convert to fraction form
493,778.14/681,427.83 = 278,927.26/x - Step 3: Cross multiply
493,778.14x = 681,427.83 × 278,927.26 - Step 4: Simplify right side
493,778.14x = 190,068,797,509.65 - Step 5: Solve for x
x = 190,068,797,509.65/493,778.14 - Step 6: Final answer
x = 384,927.53
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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.