Finding the Fourth Proportional to 210,305.36, 290,225.78 and 114,816.08
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Solution
The fourth proportional to 210,305.36, 290,225.78 and 114,816.08 is: 158,448.58
Step by Step Solution
- Step 1: Write the proportion equation
210,305.36 : 290,225.78 = 114,816.08 : x - Step 2: Convert to fraction form
210,305.36/290,225.78 = 114,816.08/x - Step 3: Cross multiply
210,305.36x = 290,225.78 × 114,816.08 - Step 4: Simplify right side
210,305.36x = 33,322,586,374.54 - Step 5: Solve for x
x = 33,322,586,374.54/210,305.36 - Step 6: Final answer
x = 158,448.58
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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.