Finding the Fourth Proportional to 254,204.66, 381,316.91 and 76,711.70
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Solution
The fourth proportional to 254,204.66, 381,316.91 and 76,711.70 is: 115,070.54
Step by Step Solution
- Step 1: Write the proportion equation
254,204.66 : 381,316.91 = 76,711.70 : x - Step 2: Convert to fraction form
254,204.66/381,316.91 = 76,711.70/x - Step 3: Cross multiply
254,204.66x = 381,316.91 × 76,711.70 - Step 4: Simplify right side
254,204.66x = 29,251,466,114.70 - Step 5: Solve for x
x = 29,251,466,114.70/254,204.66 - Step 6: Final answer
x = 115,070.54
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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.