Finding the Fourth Proportional to 306,240.02, 456,393.11 and 290,296.79
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Solution
The fourth proportional to 306,240.02, 456,393.11 and 290,296.79 is: 432,632.72
Step by Step Solution
- Step 1: Write the proportion equation
306,240.02 : 456,393.11 = 290,296.79 : x - Step 2: Convert to fraction form
306,240.02/456,393.11 = 290,296.79/x - Step 3: Cross multiply
306,240.02x = 456,393.11 × 290,296.79 - Step 4: Simplify right side
306,240.02x = 132,489,452,789.14 - Step 5: Solve for x
x = 132,489,452,789.14/306,240.02 - Step 6: Final answer
x = 432,632.72
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.