Finding the Fourth Proportional to 336,464.21, 464,476.10 and 207,425.75
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Solution
The fourth proportional to 336,464.21, 464,476.10 and 207,425.75 is: 286,343.38
Step by Step Solution
- Step 1: Write the proportion equation
336,464.21 : 464,476.10 = 207,425.75 : x - Step 2: Convert to fraction form
336,464.21/464,476.10 = 207,425.75/x - Step 3: Cross multiply
336,464.21x = 464,476.10 × 207,425.75 - Step 4: Simplify right side
336,464.21x = 96,344,300,623.45 - Step 5: Solve for x
x = 96,344,300,623.45/336,464.21 - Step 6: Final answer
x = 286,343.38
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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.