Finding the Fourth Proportional to 210,295.41, 290,208.88 and 114,803.09
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Solution
The fourth proportional to 210,295.41, 290,208.88 and 114,803.09 is: 158,428.93
Step by Step Solution
- Step 1: Write the proportion equation
210,295.41 : 290,208.88 = 114,803.09 : x - Step 2: Convert to fraction form
210,295.41/290,208.88 = 114,803.09/x - Step 3: Cross multiply
210,295.41x = 290,208.88 × 114,803.09 - Step 4: Simplify right side
210,295.41x = 33,316,875,304.41 - Step 5: Solve for x
x = 33,316,875,304.41/210,295.41 - Step 6: Final answer
x = 158,428.93
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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.