Finding the Fourth Proportional to 330,808.70, 456,618.80 and 262,946.09
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Solution
The fourth proportional to 330,808.70, 456,618.80 and 262,946.09 is: 362,947.31
Step by Step Solution
- Step 1: Write the proportion equation
330,808.70 : 456,618.80 = 262,946.09 : x - Step 2: Convert to fraction form
330,808.70/456,618.80 = 262,946.09/x - Step 3: Cross multiply
330,808.70x = 456,618.80 × 262,946.09 - Step 4: Simplify right side
330,808.70x = 120,066,126,765.76 - Step 5: Solve for x
x = 120,066,126,765.76/330,808.70 - Step 6: Final answer
x = 362,947.31
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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.