Finding the Fourth Proportional to 256,951.19, 385,293.99 and 112,798.01
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Solution
The fourth proportional to 256,951.19, 385,293.99 and 112,798.01 is: 169,138.72
Step by Step Solution
- Step 1: Write the proportion equation
256,951.19 : 385,293.99 = 112,798.01 : x - Step 2: Convert to fraction form
256,951.19/385,293.99 = 112,798.01/x - Step 3: Cross multiply
256,951.19x = 385,293.99 × 112,798.01 - Step 4: Simplify right side
256,951.19x = 43,460,395,336.96 - Step 5: Solve for x
x = 43,460,395,336.96/256,951.19 - Step 6: Final answer
x = 169,138.72
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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.