Finding the Fourth Proportional to 381,970.06, 573,025.53 and 125,817.70
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Solution
The fourth proportional to 381,970.06, 573,025.53 and 125,817.70 is: 188,749.75
Step by Step Solution
- Step 1: Write the proportion equation
381,970.06 : 573,025.53 = 125,817.70 : x - Step 2: Convert to fraction form
381,970.06/573,025.53 = 125,817.70/x - Step 3: Cross multiply
381,970.06x = 573,025.53 × 125,817.70 - Step 4: Simplify right side
381,970.06x = 72,096,754,225.88 - Step 5: Solve for x
x = 72,096,754,225.88/381,970.06 - Step 6: Final answer
x = 188,749.75
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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.