Finding the Fourth Proportional to 185,760.75, 256,347.57 and 100,878.42
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Solution
The fourth proportional to 185,760.75, 256,347.57 and 100,878.42 is: 139,210.99
Step by Step Solution
- Step 1: Write the proportion equation
185,760.75 : 256,347.57 = 100,878.42 : x - Step 2: Convert to fraction form
185,760.75/256,347.57 = 100,878.42/x - Step 3: Cross multiply
185,760.75x = 256,347.57 × 100,878.42 - Step 4: Simplify right side
185,760.75x = 25,859,937,832.44 - Step 5: Solve for x
x = 25,859,937,832.44/185,760.75 - Step 6: Final answer
x = 139,210.99
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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.