Finding the Fourth Proportional to 340,895.36, 470,451.62 and 189,993.44
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Solution
The fourth proportional to 340,895.36, 470,451.62 and 189,993.44 is: 262,199.88
Step by Step Solution
- Step 1: Write the proportion equation
340,895.36 : 470,451.62 = 189,993.44 : x - Step 2: Convert to fraction form
340,895.36/470,451.62 = 189,993.44/x - Step 3: Cross multiply
340,895.36x = 470,451.62 × 189,993.44 - Step 4: Simplify right side
340,895.36x = 89,382,721,637.37 - Step 5: Solve for x
x = 89,382,721,637.37/340,895.36 - Step 6: Final answer
x = 262,199.88
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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.