Finding the Fourth Proportional to 210,766.08, 290,853.12 and 115,272.48
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Solution
The fourth proportional to 210,766.08, 290,853.12 and 115,272.48 is: 159,073.80
Step by Step Solution
- Step 1: Write the proportion equation
210,766.08 : 290,853.12 = 115,272.48 : x - Step 2: Convert to fraction form
210,766.08/290,853.12 = 115,272.48/x - Step 3: Cross multiply
210,766.08x = 290,853.12 × 115,272.48 - Step 4: Simplify right side
210,766.08x = 33,527,360,458.14 - Step 5: Solve for x
x = 33,527,360,458.14/210,766.08 - Step 6: Final answer
x = 159,073.80
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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.