Finding the Fourth Proportional to 471,340.16, 650,438.79 and 256,480.82
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Solution
The fourth proportional to 471,340.16, 650,438.79 and 256,480.82 is: 353,937.75
Step by Step Solution
- Step 1: Write the proportion equation
471,340.16 : 650,438.79 = 256,480.82 : x - Step 2: Convert to fraction form
471,340.16/650,438.79 = 256,480.82/x - Step 3: Cross multiply
471,340.16x = 650,438.79 × 256,480.82 - Step 4: Simplify right side
471,340.16x = 166,825,074,219.01 - Step 5: Solve for x
x = 166,825,074,219.01/471,340.16 - Step 6: Final answer
x = 353,937.75
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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.