Finding the Fourth Proportional to 222,210.79, 306,649.91 and 120,238.06
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Solution
The fourth proportional to 222,210.79, 306,649.91 and 120,238.06 is: 165,927.99
Step by Step Solution
- Step 1: Write the proportion equation
222,210.79 : 306,649.91 = 120,238.06 : x - Step 2: Convert to fraction form
222,210.79/306,649.91 = 120,238.06/x - Step 3: Cross multiply
222,210.79x = 306,649.91 × 120,238.06 - Step 4: Simplify right side
222,210.79x = 36,870,988,688.14 - Step 5: Solve for x
x = 36,870,988,688.14/222,210.79 - Step 6: Final answer
x = 165,927.99
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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.