Finding the Fourth Proportional to 306,128.63, 459,193.86 and 92,898.26
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Solution
The fourth proportional to 306,128.63, 459,193.86 and 92,898.26 is: 139,347.66
Step by Step Solution
- Step 1: Write the proportion equation
306,128.63 : 459,193.86 = 92,898.26 : x - Step 2: Convert to fraction form
306,128.63/459,193.86 = 92,898.26/x - Step 3: Cross multiply
306,128.63x = 459,193.86 × 92,898.26 - Step 4: Simplify right side
306,128.63x = 42,658,310,022.69 - Step 5: Solve for x
x = 42,658,310,022.69/306,128.63 - Step 6: Final answer
x = 139,347.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.