Finding the Fourth Proportional to 464,102.09, 696,153.74 and 127,145.70
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Solution
The fourth proportional to 464,102.09, 696,153.74 and 127,145.70 is: 190,718.72
Step by Step Solution
- Step 1: Write the proportion equation
464,102.09 : 696,153.74 = 127,145.70 : x - Step 2: Convert to fraction form
464,102.09/696,153.74 = 127,145.70/x - Step 3: Cross multiply
464,102.09x = 696,153.74 × 127,145.70 - Step 4: Simplify right side
464,102.09x = 88,512,953,944.19 - Step 5: Solve for x
x = 88,512,953,944.19/464,102.09 - Step 6: Final answer
x = 190,718.72
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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.