Finding the Fourth Proportional to 185,626.93, 256,165.26 and 100,743.99
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Solution
The fourth proportional to 185,626.93, 256,165.26 and 100,743.99 is: 139,026.76
Step by Step Solution
- Step 1: Write the proportion equation
185,626.93 : 256,165.26 = 100,743.99 : x - Step 2: Convert to fraction form
185,626.93/256,165.26 = 100,743.99/x - Step 3: Cross multiply
185,626.93x = 256,165.26 × 100,743.99 - Step 4: Simplify right side
185,626.93x = 25,807,109,877.30 - Step 5: Solve for x
x = 25,807,109,877.30/185,626.93 - Step 6: Final answer
x = 139,026.76
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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.