Finding the Fourth Proportional to 222,228.02, 306,681.99 and 121,626.02
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Solution
The fourth proportional to 222,228.02, 306,681.99 and 121,626.02 is: 167,847.92
Step by Step Solution
- Step 1: Write the proportion equation
222,228.02 : 306,681.99 = 121,626.02 : x - Step 2: Convert to fraction form
222,228.02/306,681.99 = 121,626.02/x - Step 3: Cross multiply
222,228.02x = 306,681.99 × 121,626.02 - Step 4: Simplify right side
222,228.02x = 37,300,509,849.38 - Step 5: Solve for x
x = 37,300,509,849.38/222,228.02 - Step 6: Final answer
x = 167,847.92
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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.