Finding the Fourth Proportional to 257,310.44, 355,084.26 and 144,132.84
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Solution
The fourth proportional to 257,310.44, 355,084.26 and 144,132.84 is: 198,901.00
Step by Step Solution
- Step 1: Write the proportion equation
257,310.44 : 355,084.26 = 144,132.84 : x - Step 2: Convert to fraction form
257,310.44/355,084.26 = 144,132.84/x - Step 3: Cross multiply
257,310.44x = 355,084.26 × 144,132.84 - Step 4: Simplify right side
257,310.44x = 51,179,302,833.10 - Step 5: Solve for x
x = 51,179,302,833.10/257,310.44 - Step 6: Final answer
x = 198,901.00
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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.