Finding the Fourth Proportional to 256,232.70, 384,349.05 and 114,077.70
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Solution
The fourth proportional to 256,232.70, 384,349.05 and 114,077.70 is: 171,116.55
Step by Step Solution
- Step 1: Write the proportion equation
256,232.70 : 384,349.05 = 114,077.70 : x - Step 2: Convert to fraction form
256,232.70/384,349.05 = 114,077.70/x - Step 3: Cross multiply
256,232.70x = 384,349.05 × 114,077.70 - Step 4: Simplify right side
256,232.70x = 43,845,655,621.19 - Step 5: Solve for x
x = 43,845,655,621.19/256,232.70 - Step 6: Final answer
x = 171,116.55
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1.5x scale
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.