Finding the Fourth Proportional to 393,961.74, 589,995.66 and 224,970.42
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Solution
The fourth proportional to 393,961.74, 589,995.66 and 224,970.42 is: 336,914.88
Step by Step Solution
- Step 1: Write the proportion equation
393,961.74 : 589,995.66 = 224,970.42 : x - Step 2: Convert to fraction form
393,961.74/589,995.66 = 224,970.42/x - Step 3: Cross multiply
393,961.74x = 589,995.66 × 224,970.42 - Step 4: Simplify right side
393,961.74x = 132,731,571,428.38 - Step 5: Solve for x
x = 132,731,571,428.38/393,961.74 - Step 6: Final answer
x = 336,914.88
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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.