Finding the Fourth Proportional to 210,306.36, 290,227.16 and 114,817.08
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Solution
The fourth proportional to 210,306.36, 290,227.16 and 114,817.08 is: 158,449.96
Step by Step Solution
- Step 1: Write the proportion equation
210,306.36 : 290,227.16 = 114,817.08 : x - Step 2: Convert to fraction form
210,306.36/290,227.16 = 114,817.08/x - Step 3: Cross multiply
210,306.36x = 290,227.16 × 114,817.08 - Step 4: Simplify right side
210,306.36x = 33,323,035,047.89 - Step 5: Solve for x
x = 33,323,035,047.89/210,306.36 - Step 6: Final answer
x = 158,449.96
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1.5x scale
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.