Finding the Fourth Proportional to 256,329.74, 384,548.68 and 96,407.19
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Solution
The fourth proportional to 256,329.74, 384,548.68 and 96,407.19 is: 144,631.12
Step by Step Solution
- Step 1: Write the proportion equation
256,329.74 : 384,548.68 = 96,407.19 : x - Step 2: Convert to fraction form
256,329.74/384,548.68 = 96,407.19/x - Step 3: Cross multiply
256,329.74x = 384,548.68 × 96,407.19 - Step 4: Simplify right side
256,329.74x = 37,073,257,657.01 - Step 5: Solve for x
x = 37,073,257,657.01/256,329.74 - Step 6: Final answer
x = 144,631.12
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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.