Finding the Fourth Proportional to 185,764.21, 256,433.07 and 125,416.60
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Solution
The fourth proportional to 185,764.21, 256,433.07 and 125,416.60 is: 173,127.88
Step by Step Solution
- Step 1: Write the proportion equation
185,764.21 : 256,433.07 = 125,416.60 : x - Step 2: Convert to fraction form
185,764.21/256,433.07 = 125,416.60/x - Step 3: Cross multiply
185,764.21x = 256,433.07 × 125,416.60 - Step 4: Simplify right side
185,764.21x = 32,160,963,766.96 - Step 5: Solve for x
x = 32,160,963,766.96/185,764.21 - Step 6: Final answer
x = 173,127.88
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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.