Finding the Fourth Proportional to 356,795.76, 492,393.09 and 195,657.02
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Solution
The fourth proportional to 356,795.76, 492,393.09 and 195,657.02 is: 270,014.88
Step by Step Solution
- Step 1: Write the proportion equation
356,795.76 : 492,393.09 = 195,657.02 : x - Step 2: Convert to fraction form
356,795.76/492,393.09 = 195,657.02/x - Step 3: Cross multiply
356,795.76x = 492,393.09 × 195,657.02 - Step 4: Simplify right side
356,795.76x = 96,340,164,657.99 - Step 5: Solve for x
x = 96,340,164,657.99/356,795.76 - Step 6: Final answer
x = 270,014.88
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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.