Finding the Fourth Proportional to 330,624.06, 456,311.10 and 201,637.38
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Solution
The fourth proportional to 330,624.06, 456,311.10 and 201,637.38 is: 278,290.02
Step by Step Solution
- Step 1: Write the proportion equation
330,624.06 : 456,311.10 = 201,637.38 : x - Step 2: Convert to fraction form
330,624.06/456,311.10 = 201,637.38/x - Step 3: Cross multiply
330,624.06x = 456,311.10 × 201,637.38 - Step 4: Simplify right side
330,624.06x = 92,009,374,668.92 - Step 5: Solve for x
x = 92,009,374,668.92/330,624.06 - Step 6: Final answer
x = 278,290.02
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1.5x scale
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.