Finding the Fourth Proportional to 425,163.93, 586,719.18 and 234,195.09
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Solution
The fourth proportional to 425,163.93, 586,719.18 and 234,195.09 is: 323,185.34
Step by Step Solution
- Step 1: Write the proportion equation
425,163.93 : 586,719.18 = 234,195.09 : x - Step 2: Convert to fraction form
425,163.93/586,719.18 = 234,195.09/x - Step 3: Cross multiply
425,163.93x = 586,719.18 × 234,195.09 - Step 4: Simplify right side
425,163.93x = 137,406,751,164.83 - Step 5: Solve for x
x = 137,406,751,164.83/425,163.93 - Step 6: Final answer
x = 323,185.34
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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.